HTML5 Board Present

The new Gynzy

Checkmark

500+ new lessons

You are here : Home  >  Mathematics  > 

Addition and subtraction

Sort  

Place Value Chart: To Ten Thousands

- Activity -

Students learn the value of numbers.

More info

The Sum Machine

- Activity -

A machine to calculate all kinds of sums.

More info
Divider line

Seriation

- Activity -

Students learn to look at images that are in the right order.

More info

Adding & Subtraction Fractions with Unlike Denominators

- Lesson plan -

Use fraction models to add and subtract fractions with unlike denominators, and progressing to solve addition and subtraction problems without modeling.

More info
Divider line

Algebraic Expressions

- Activity -

Learn how to translate English phrases into algebraic expressions.

More info

Numerical Expressions

- Activity -

Students learn how written phrases are interpreted as numeric expressions.

More info
Divider line

Add & Subtract Fractions

- Lesson plan -

Develop fluency with addition and subtraction of non-negative rational numbers with unlike denominators.

More info

Abacus (vertical)

- Activity -

Learning how to add and subtract.

More info
Divider line

Add & Subtract Decimals

- Lesson plan -

Add and subtract decimals to solve problems. Solve problems involving money.

More info

Generate Equivalent Expressions

- Activity -

Apply the properties of operations to generate equivalent expressions by completing the missing information.

More info
Divider line

Number Bonds

- Activity -

Students learn how to partition numbers.

More info

Place Value Chart: To Billions

- Activity -

Students learn the value of numbers. Ones up to a billion.

More info
Divider line

Bead Necklace

- Activity -

A clear and simple bead necklace.

More info

Adding & Subtracting Decimals

- Lesson plan -

Add and subtract decimals, with instruction and practice targeted at correctly organizing numbers to avoid typical computational errors.

More info
Divider line

Twin Numbers - Introduction

- Lesson plan -

Practice twin numbers up to 20.

More info

Bus Sum - phase 1

- Activity -

Teach students the meaning of adding and subtracting.

More info