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Base Ten Numeration

Base Ten

Solvings with Avinto

Solvings

Stem

STEM

Decimals

Decimals

Operations on Decimals

Operations on Decimals

Percentages

Percentages

Units of Length

Units of Length

Units of Mass

Units of Mass

Units of Time

Units of Time

Units of Capacity

Units of Capacity

Our Team

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The Fraction Comparator

Comparison of Fractions

Fractional Forms

Proper, Improper and Mixed Number

Operations on Fractions

Operations on Fractions

Decimals

Decimals

Operations on Decimals

Operations on Decimals

Percentages

Percentages

Units of Length

Units of Length

Units of Mass

Units of Mass

Units of time

Units of time

Units of Capacity

Units of Capacity

Rounding off Numbers

Rounding off Numbers

Significant Figures

Significant Figures

Approximations in Calculation

Approximations in Calculation

Points and Lines

Points and Lines

Angles

Angles

Constructions

Constructions

Polygons and Regions

Polygons and Regions

Circles

Circles

Algebraic Operations

Algebraic Operations

Equations in one unknown

Equations in one unknown

Equations in Two Unknowns

Equations in Two Unknowns

Inequalities

Inequalities

Rational Numbers

Rational Numbers

Irrational Numbers

Irrational Numbers

Real Numbers

Real Numbers

Ratios

Ratio

Profits and Loss

Profits and Loss

Simple Interest

Simple Interest

Coordinates of a Point

Coordinates of a Point

Gradient (Slope) of a Line

Gradient (Slope) of a Line

Equation of a line

Equation of a line

Graphs of Linear equations

Graphs of Linear equations

Simultaneous Equations

Simultaneous Equations

PERIMETERS AND AREAS

PERIMETERS AND AREAS

Circumference of a Circle

Circumference of a Circle

Areas of rectangles and triangles

Areas of rectangles and triangles

Areas of trapezium and parallelogram

Areas of trapezium and parallelogram

Area of a circle

Area of a circle

Basic Concepts and Terminologies of Biology

Basic Concepts and Terminologies of Biology

Scientific Processes in Biology

Scientific Processes in Biology

The Biology Laboratory

The Biology Laboratory

First Aid

First Aid

Safety at Home and School.

Safety at Home and School.

Waste Disposal

Waste Disposal

The Concept of Health and Immunity

The Concept of Health and Immunity

Personal Hygiene and Good Manners

Personal Hygiene and Good Manners

Infections and Diseases

Infections and Diseases

HIV, AIDS, STIs, and STDs

HIV, AIDS, STIs, and STDs

Management of STIs, HIV and AIDS

Management of STIs, HIV and AIDS

Care and Support for People Living with HIV and AIDS (PLWHA)

Care and Support for People Living with HIV and AIDS (PLWHA)

The Concept of Cell

The Concept of Cell

Plant and animal cells

Plant and animal cells

Cell Differentiation

Cell Differentiation

Concept of Classification

Concept of Classification

Classification Systems

Classification Systems

Major Groups of Living Things

Major Groups of Living Things

Viruses

Viruses

Kingdom Monera

Kingdom Monera

Kingdom Protoctista

Kingdom Protoctista

Concept of Physics

Concept of Physics

Applications of Physics in Real Life

Applications of Physics in Real Life

Laboratory Rules and Safety

Laboratory Rules and Safety

Basic Principles of Scientific Investigation

Basic Principles of Scientific Investigation

Concepts of Measurement

Concepts of Measurement

Fundamental Quantities

Fundamental Quantities

Derived Quantities

Derived Quantities

Basic Apparatus

Basic Apparatus/ Equipments and their Uses

Density and Relative Density

Density and Relative Density

Concept of Force

Concept of Force

Types of Forces

Types of Forces

Effects of Forces

Effects of Forces

Archimedes Principle

Archimedes Principle

Law of Flotation

Law of Flotation

Structure of Matter

Structure of Matter

Elasticity

Elasticity

Adhesion and Cohesion

Adhesion and Cohesion

Surface Tension

Surface Tension

Capillarity

Capillarity

Osmosis

Osmosis

Concept of Pressure

Concept of Pressure

Pressure due to Solids

Pressure due to Solids

Pressure in Liquids

Pressure in Liquids

Atmospheric Pressure

Atmospheric Pressure

Work

Work

Energy

Energy

Power

Power

Sources of Light

Sources of Light

Propagation and Transmission of Light

Propagation and Transmission of Light

Reflection of Light

Reflection of Light

The Concept of Chemistry

The Concept of Chemistry

The Importance of Chemistry in Life

The Importance of Chemistry in Life

Rules and Safety Precautions in a Chemistry Laboratory

Rules and Safety Precautions in a Chemistry Laboratory

First Aid and First Aid Kit

First Aid and First Aid Kit

Chemistry laboratory

Chemistry laboratory apparatus and their uses

Warning Signs

Warning Signs

Heat Sources

Heat Sources

Types of Flames

Types of Flames

Significance of the Scientific Procedure

Significance of the Scientific Procedure

The Main Steps of the Scientific Procedure

The Main Steps of the Scientific Procedure

Application of the Scientific Procedure

Application of the Scientific Procedure

Concept of Matter

Concept of Matter

States of Matter

States of Matter

Physical and Chemical Changes

Physical and Chemical Changes

Elements and Symbols

Elements and Symbols

Compounds and Mixtures

Compounds and Mixtures

Separation of Mixtures

Separation of Mixtures

Composition of Air

Composition of Air

Combustion

Combustion

Fire Fighting

Fire Fighting

Rusting

Rusting

Preparation and Properties of Oxygen

Preparation and Properties of Oxygen

Uses of Oxygen

Uses of Oxygen

Preparation and properties of Hydrogen

Preparation and properties of Hydrogen

Uses of Hydrogen

Uses of Hydrogen

Occurrence and Nature of Water

Occurrence and Nature of Water

Properties of Water

Properties of Water

Treatment and Purification of Water

Treatment and Purification of Water

Uses of Water

Uses of Water

Fuel Sources

Fuel Sources

Categories of Fuels

Categories of Fuels

Uses of Fuel

Uses of Fuel

Conservation of Energy

Conservation of Energy

Renewable Energy

Renewable Energy

Periodicity

Periodicity

General Trends

General Trends

The atom

The atom

Sub-atomic particles

Sub-atomic particles

Electronic arrangements

Electronic arrangements

Atomic number, mass number and isotope.

Atomic number, mass number and isotope.

Valence and Chemical Formulae

Valence and Chemical Formulae

Oxidation State

Oxidation State

Radicals

Radicals

Covalent Bonding

Covalent Bonding

Electrovalent Bonding

Electrovalent Bonding

Molecular Equations

Molecular Equations

Ionic Equations

Ionic Equations

The Concept of Hardness of Water

The Concept of Hardness of Water

Types of Hardness of Water

Types of Hardness of Water

Treatment and Purification of Hard Water

Treatment and Purification of Hard Water

Acids and Bases

Acids and Bases

Indicators

Indicators

Salts

Salts

The Mole as a Unit of Measurement

The Mole as a Unit of Measurement

Application of the Mole Concept

Application of the Mole Concept

Standard volumetric apparatus

Standard volumetric apparatus

Standard Solutions

Standard Solutions

Volumetric Calculations

Volumetric Calculations

Application of Volumetric Analysis

Application of Volumetric Analysis

Ionic Theory

Ionic Theory

The Mechanism of Electrolysis

The Mechanism of Electrolysis

Laws of Electrolysis

Laws of Electrolysis

Application of Electrolysis

Application of Electrolysis

The rate of chemical reactions

The rate of chemical reactions

Factors Affecting the Rate of Chemical Reactions

Factors Affecting the Rate of Chemical Reactions

Reversible and Irreversible Reactions

Reversible and Irreversible Reactions

Equilibrium Reaction

Equilibrium Reaction

Endothermic and Exothermic Reactions

Endothermic and Exothermic Reactions

Occurrence and Location of Metals in Tanzania

Occurrence and Location of Metals in Tanzania

Chemical Properties of Metals

Chemical Properties of Metals

Extraction of Metals by Electrolytic reduction

Extraction of Metals by Electrolytic reduction

Extraction of Metals by Chemical Reduction

Extraction of Metals by Chemical Reduction

Environmental Consideration

Environmental Consideration

Oxides

Oxides

Hydroxides

Hydroxides

Carbonates and Hydrogen carbonates

Carbonates and Hydrogen carbonates

Nitrates

Nitrates

Chlorides

Chlorides

Sulphates

Sulphates

General Chemical Properties of Non- Metals

General Chemical Properties of Non- Metals

Chlorine

Chlorine

Hydrogen Chloride

Hydrogen Chloride

Sulphur

Sulphur

Sulphur dioxide

Sulphur dioxide

Sulphuric acid

Sulphuric acid

Nitrogen

Nitrogen

Ammonia

Ammonia

Carbon

Carbon

Carbon dioxide

Carbon dioxide

Introduction to organic chemistry

organic chemistry

Hydrocarbons

Hydrocarbons

Properties of hydrocarbons

Properties of hydrocarbons

Alcohols

Alcohols

Carboxylic Acids

Carboxylic Acids

Soil Formation

Soil Formation

Soil Reaction

Soil Reaction

Plant nutrients in the soil

Plant nutrients in the soil

Manures and fertilizers

Manures and fertilizers

Soil fertility and productivity

Soil fertility and productivity

Concept of Pollution

Concept of Pollution

Terrestrial Pollution

Terrestrial Pollution

Aquatic Pollution

Aquatic Pollution

Aerial Pollution

Aerial Pollution

Environmental Conservation

Environmental Conservation

Global Warming

Global Warming

Ozone Layer Depletion

Ozone Layer Depletion

The Concept of Qualitative Analysis

The Concept of Qualitative Analysis

Qualitative Analysis Procedures

Qualitative Analysis Procedures

Kingdom Fungi

Kingdom Fungi

Kingdom Plantae

Kingdom Plantae

Division Filicinophyta (Pteridophyta)

Division Filicinophyta (Pteridophyta)

Division Filicinophyta (Pteridophyta)

Division Filicinophyta (Pteridophyta)

Concepts of Nutrition and Food Nutrients.

Concepts of Nutrition and Food Nutrients.

Human Nutrition.

Human Nutrition.

Digestive System in Humans

Digestive System in Humans

Mineral Requirement in Plants

Mineral Requirement in Plants

Photosynthesis

Photosynthesis

Properties of Food Substances

Properties of Food Substances

Food Processing, Preservation, and Storage

Food Processing, Preservation, and Storage

The Natural Environment

The Natural Environment

Interaction of Organisms in the Environment

Interaction of Organisms in the Environment

Food Chain and Food Web

Food Chain and Food Web

The concept of Transport of Materials in Living Things.

The concept of Transport of Materials in Living Things.

Diffusion, Osmosis and Mass flow

Diffusion, Osmosis and Mass flow

The Concept of Gaseous Exchange

The Concept of Gaseous Exchange

Gaseous Exchange in Mammals

Gaseous Exchange in Mammals

Gaseous Exchange in Plants

Gaseous Exchange in Plants

Respiration

Respiration

Aerobic Respiration

Aerobic Respiration

Anaerobic Respiration

Anaerobic Respiration

Infection and Diseases of the Respiratory System

Infection and Diseases of the Respiratory System

Disorders of the Respiratory System

Disorders of the Respiratory System

Division Coniferophyta

Division Coniferophyta (conifers)

Division Angiospermophyta

Division Angiospermophyta (Flowering Plants)

Concept of Movement and Locomotion

Concept of Movement and Locomotion

The Human Skeletal System

The Human Skeletal System

Muscles and Movement

Muscles and Movement

Movement in Plants

Movement in Plants

Concept of Coordination

Concept of Coordination

Neurones

Neurones

Central Nervous System (CNS)

Central Nervous System (CNS)

Peripheral Nervous System

Peripheral Nervous System (PNS)

Reflex Action

Reflex Action

Sense Organs

Sense Organs

Drugs and Drug Abuse in Relation to Nervous Coordination

Drugs and Drug Abuse in Relation to Nervous Coordination

Endocrine glands

Endocrine glands

Concept of Tropic and Nastic Responses

Concept of Tropic and Nastic Responses

Concept of Excretion

Concept of Excretion

Excretion in Human

Excretion in Human

Complications and Disorders of the Excretory System

Complications and Disorders of the Excretory System

Excretion in Plants

Excretion in Plants

Concept of Regulation

Concept of Regulation

Temperature Regulation in Animals

Temperature Regulation in Animals

Osmoregulation in Mammals

Osmoregulation in Mammals

Blood Sugar Regulation in Mammals

Blood Sugar Regulation in Mammals

Concept of Reproduction

Concept of Reproduction

Meiosis and Reproduction

Meiosis and Reproduction

The Structure of the Flower

The Structure of the Flower

Pollination

Pollination

Fertilization

Fertilization

Reproduction in Mammals

Reproduction in Mammals

Gamete Formation and Fertilization

Gamete Formation and Fertilization

Multiple Pregnancies

Multiple Pregnancies

Disorders and Complications of the Reproductive System

Disorders and Complications of the Reproductive System

Sexuality and Sexual Health

Sexuality and Sexual Health

Family Planning and Contraception

Family Planning and Contraception

Maternal and Child Care

Maternal and Child Care

Concept of Growth

Concept of Growth

Mitosis and Growth

Mitosis and Growth

Growth and Developmental stages in Humanity

Growth and Developmental stages in Humanity

Growth in Flowering Plants

Growth in Flowering Plants

Growth in Flowering Plants

Growth in Flowering Plants

Concept of Genetics

Concept of Genetics

Genetic Materials

Genetic Materials

Concept of Inheritance

Concept of Inheritance

Mendelian inheritance

Mendelian inheritance

Non-Mendelian Inheritance

Non-Mendelian Inheritance

Sex Determination and Inheritance

Sex Determination and Inheritance

Variation among Organisms

Variation among Organisms

Genetic Disorders.

Genetic Disorders.

Application of Genetics

Application of Genetics

Kingdom Animalia

Kingdom Animalia

Phylum Platyhelminthes

Phylum Platyhelminthes

Phylum Aschelminthes (Nematoda)

Phylum Aschelminthes (Nematoda)

Phylum Aschelminthes

Phylum Aschelminthes (Nematoda).

Phylum Annelida

Phylum Annelida

Phylum Arthropoda

Phylum Arthropoda

Concept of Organic Evolution

Concept of Organic Evolution

Theories of the Origin of life

Theories of the Origin of life

Lamarckism

Lamarckism

Darwinism

Darwinism

Evidence of Organic Evolution

Evidence of Organic Evolution

Relationship between HIV, AIDS and STIs

Relationship between HIV, AIDS and STIs.

Management and Control of HIV, AIDS and STIs

Management and Control of HIV, AIDS and STIs

Counseling and voluntary Testing (CVT)

Counseling and voluntary Testing (CVT)

EXPONENTS

EXPONENTS

Radicals

Radicals

Transposition of Formula

Transposition of Formula

Binary Operations

Binary Operations

Brackets in Computation

Brackets in Computation

Quadratic Expressions

Quadratic Expressions

Factorization

Factorization

Solving equations

Solving equations

General solution of a Quadratic Equation

General solution of a Quadratic Equation

Standard Form

Standard Form

Laws of Logarithms

Laws of Logarithms

Tables of Logarithms

Tables of Logarithms

Congruence of Triangles

Congruence of Triangles

Similar Figures

Similar Figures

Reflection

Reflection

Rotations

Rotations

Enlargement

Enlargement

Combined Transformations

Combined Transformations

Proof of Pythagoras Theorem

Proof of Pythagoras Theorem

Application of Pythagoras Theorem

Application of Pythagoras Theorem

Trigonometric Ratios

Trigonometric Ratios

Trigonometric Ratios of Special Angles

Trigonometric Ratios of Special Angles

Trigonometric Tables

Trigonometric Tables

Angles of Elevation and Depression

Angles of Elevation and Depression

Description of a Set

Description of a Set

Types of Sets

Types of Sets

Subsets

Subsets

Operations with Sets

Operations with Sets

Venn Diagrams

Venn Diagrams

Pictograms

Pictograms

Bar Charts

Bar Charts

Line Graphs

Line Graphs

Pie Charts

Pie Charts

Frequency Distribution Tables

Frequency Distribution Tables

Frequency Polygons

Frequency Polygons

Histograms

Histograms

Cumulative Frequency Curves

Cumulative Frequency Curves

Relations

Relations

Graph of a Relation

Graph of a Relation

Domain and Range of a Relation

Domain and Range of a Relation

Inverse of a Relation

Inverse of a Relation

Representation of a function

Representation of a function

Domain and Range of a Function

Domain and Range of a Function

Graphic function

Graphic function

Inverse of a Function

Inverse of a Function

Mean

Mean

Median

Median

Mode

Mode

Rates

Rates

Variation

Variation

Sequences

Sequences

Series

Series

Compound Interest

Compound Interest

Circles Definition of Terms

Circles Definition of Terms

Central Angle

Central Angle

Angles Properties

Angles Properties

Chord Properties of a Circle

Chord Properties of a Circle

Tangent Properties

Tangent Properties

Features on Location of Places

Features on Location of Places

Distances Along Great Circles

Distances Along Great Circles

Distances along small circles

Distances along small circles

Double Entry

Double Entry

Trial Balance

Trial Balance

Trading Profit and Loss

Trading Profit and Loss

Balance Sheet

Balance Sheet

Equation of a Line

Equation of a Line

Midpoint of a Line Segment

Midpoint of a Line Segment

Distance Between two points on a plane

Distance Between two points on a plane

Parallel and Perpendicular Lines

Parallel and Perpendicular Lines

Area of any Triangle

Area of any Triangle

Area of a Rhombus

Area of a Rhombus

Perimeter of a Regular Polygon

Perimeter of a Regular Polygon

Area of a Regular Polygon

Area of a Regular Polygon

Area of Similar Polygons

Area of Similar Polygons

Three-Dimensional Figure

Three-Dimensional Figure

Construction of Three-Dimensional Figures

Construction of Three-Dimensional Figures

Sketching Three Dimensional Figures

Sketching Three Dimensional Figures

Surface Area of Three-Dimensional Objects

Surface Area of Three-Dimensional Objects

Volume of three-Dimensional Objects

Volume of three-Dimensional Objects

Probability of an Event

Probability of an Event

Combined Events

Combined Events

Trigonometric Ratios

Trigonometric Ratios

Sine and Cosine Functions

Sine and Cosine Functions

Sine and Cosine Rules

Sine and Cosine Rules

Compound Angles

Compound Angles

Displacement and Position Vectors

Displacement and Position Vectors

Magnitude and Direction of a Vector

Magnitude and Direction of a Vector

Sum and Difference of Vectors

Sum and Difference of Vectors

Multiplication of a Vector by a Scalar

Multiplication of a Vector by a Scalar

Application of Vectors

Application of Vectors

Operations on Matrices

Operations on Matrices

Inverse of a Matrix

Inverse of a Matrix

Matrices and Transformations

Matrices and Transformations

Concept of Static Electricity

Concept of Static Electricity

Detection of Charges

Detection of Charges

Conductors and Insulators

Conductors and Insulators

Capacitors

Capacitors

Charge Distribution along the Surface of a Conductor

Charge Distribution along the Surface of a Conductor

Lightning Conductor

Lightning Conductor

Concept of Current Electricity

Concept of Current Electricity

Simple Electric Circuits

Simple Electric Circuits

Concept of Magnetism

Concept of Magnetism

Magnetization and Demagnetization

Magnetization and Demagnetization

Magnetic Fields of a magnet

Magnetic Fields of a magnet

Earth’s Magnetic Field

Earth’s Magnetic Field

Moment of a Force

Moment of a Force

Center of Gravity

Center of Gravity

Types of equilibrium

Types of equilibrium

Concept of Simple Machines

Concept of Simple Machines

Levers

Levers

Pulleys

Pulleys

Inclined Plane

Inclined Plane

Screw Jack

Screw Jack

Wheel and Axle

Wheel and Axle

Hydraulic Press

Hydraulic Press

Distance and Displacement

Distance and Displacement

Speed and Velocity

Speed and Velocity

Acceleration

Acceleration

Equations of Uniformly Accelerated Motion

Equations of Uniformly Accelerated Motion

Motion under Gravity

Motion under Gravity

First Law of Motion

First Law of Motion

Second Law of Motion

Second Law of Motion

Conservation of Linear Momentum

Conservation of Linear Momentum

Third Law of Motion

Third Law of Motion

Concept of Temperature

Concept of Temperature

Measurement of Temperature

Measurement of Temperature

Water Energy

Water Energy

Solar Energy

Solar Energy

Wind Energy

Wind Energy

Sea Wave Energy

Sea Wave Energy

Geothermal Energy

Geothermal Energy

Scalar and Vector Quantities

Scalar and Vector Quantities

Relative Motion

Relative Motion

Resolution of Vectors

Resolution of Vectors

Concept of Friction

Concept of Friction

Types of Friction

Types of Friction

Laws of Friction

Laws of Friction

Reflection of Light from Curved Mirrors

Reflection of Light from Curved Mirrors

Refraction of Light

Refraction of Light

Refraction of Light by Rectangular Prism

Refraction of Light by Rectangular Prism

Colours of light

Colours of light

Refraction of Light by Lenses

Refraction of Light by Lenses

Simple Microscope

Simple Microscope

Compound Microscope

Compound Microscope

Astronomical Telescope

Astronomical Telescope

Projection Lantern

Projection Lantern

The Lens Camera

The Lens Camera

The Human Eye

The Human Eye

Thermal Energy

Thermal Energy

Thermal Expansion of Solids

Thermal Expansion of Solids

Thermal Expansion of Liquids

Thermal Expansion of Liquids

Thermal Expansion of Gases

Thermal Expansion of Gases

Conduction

Conduction

Convection

Convection

Radiation

Radiation

Heat Capacity

Heat Capacity

Change of State

Change of State

Vapour

Vapour

Humidity

Humidity

Electromotive Force (e.m.f) and Potential Difference (P.d)

Electromotive Force (e.m.f) and Potential Difference (P.d)

Resistance to Electric Current

Resistance to Electric Current

Effects of an Electric Current

Effects of an Electric Current

Electric Installation

Electric Installation

Cells

Cells

Introduction to Waves

Introduction to Waves

Behaviour of Waves

Behaviour of Waves

Propagation of Waves

Propagation of Waves

Sound Waves

Sound Waves

Musical Sound

Musical Sound

Electromagnetic Spectrum

Electromagnetic Spectrum

Applications of Electromagnetic Wave in Daily Life

Applications of Electromagnetic Wave in Daily Life

Magnetic fields due to a current – carrying conductor

Magnetic fields due to a current – carrying conductor

Electromagnetic Induction

Electromagnetic Induction

The Nucleus of an Atom

The Nucleus of an Atom

Natural Radioactivity

Natural Radioactivity

Artificial Radioactivity

Artificial Radioactivity

Radiation Hazards and Safety

Radiation Hazards and Safety

Radiation Hazards and Safety

Radiation Hazards and Safety

Cathode Rays

Cathode Rays

Semiconductors

Semiconductors

Diodes

Diodes

Transistor

Transistor

Single Stage Amplifier

Single Stage Amplifier

Introduction to Astronomy

Introduction to Astronomy

Solar System

Solar System

Constellations

Constellations

The Earth and the Moon

The Earth and the Moon

Structure and Composition of the Earth

Structure and Composition of the Earth

Earthquakes and Volcanoes

Earthquakes and Volcanoes

Structure and Composition of the Atmosphere

Structure and Composition of the Atmosphere

The Greenhouse Effect and Global Warming

The Greenhouse Effect and Global Warming

Natural and Whole Numbers

Natural and Whole Numbers

Integers

Integers

Refraction of Light by Triangular Prism

Refraction of Light by Triangular Prism

Nuclear Fission and Fusion

Nuclear Fission and Fusion

X-rays

X-rays

Phylum Chordata

Phylum Chordata

The Structure of the Mammalian Heart

The Structure of the Mammalian Heart

The Blood

The Blood

Blood Groups and Blood Transfusion

Blood Groups and Blood Transfusion

Blood Circulation

Blood Circulation

The Lymphatic System

The Lymphatic System

The Vascular System

The Vascular System

Absorption and Movement of Water and Mineral Salts in Plants

Absorption and Movement of Water and Mineral Salts in Plants

Simultaneous Equations_form4

Simultaneous Equations

Inequalities_form4

Inequalities

The Objective Function

The Objective Function

Maximum and Minimum Values

Maximum and Minimum Values