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### Fact Families - Addition & Subtraction

- Lesson plan -

Students lean about Fact Families by adding and subtracting numbers up to 10 and up to 20.

- Activity -

A user friendly tool to enter your own expressions and compile an exercise.

- Lesson plan -

Students will practice beginning addition and subtraction facts. They will be introduced to the inverse relationship of addition and subtraction.

### Place Value Chart: With Decimal Numbers

- Activity -

Formatting numbers for decimals. Students will learn to understand the place value of every number.

### Creating a Number Line

- Activity -

A number line that can be used with all methods.

### Hearts in Love

- Activity -

The students learn how to divide ten with the 'Hearts in love'.

### Sum Machine

- Activity -

A machine to solve a variety of sums.

### Neighbor number

- Activity -

Practice consecutive numbers one less and one greater of a certain number.

- Activity -

A 100 bead string with alternating groups of 5 or 10 red and 10 white beads.

### Twin Numbers to 10 or 20

- Activity -

Complete the number twin by choosing the correct missing number.

### Math with Spinners

- Lesson plan -

Use spinners to practice math

### Calculator

- Activity -

An easy to use calculator for your smart board or interactive whiteboard. You can use this calculator widget in combination with any of our other tools. This calculator can be a good aid for our other mathematics tools.

### One more or one less

- Activity -

Look at the items. Add one (or subtract one) and write down that number.

- Lesson plan -

Solve addition and subtraction problems, including word problems involving two-and-three digit numbers. Complete in addition and subtraction sentence with missing addends including inverse relationships between and addition and subtraction.

### Number Line with Decimals

- Activity -

Identifying and placing numbers and/or decimals.

### Abacus

- Activity -

Learn how to add and subtract.