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Addition and subtraction

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Number Bonds to 10 or 20

- Activity -

Find the number to make 10 or 20.

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Add & Subtract Decimals

- Lesson plan -

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

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Place Value Chart: To Billions

- Activity -

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

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Abacus

- Activity -

Learn how to add and subtract.

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Addition & Subtraction

- Lesson plan -

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

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Hearts in Love

- Activity -

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

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Place Value - Digits up to hundreds

- Lesson plan -

Determine the value of a digit to hundreds. Model numbers using Base 10 Blocks.

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Math with Spinners

- Lesson plan -

Use spinners to practice math

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Creating a Number Line

- Activity -

A number line that can be used with all methods.

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Seriation

- Activity -

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

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100 Bead String

- Activity -

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

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Abacus (vertical)

- Activity -

Learning how to add and subtract.

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Place Value Chart: With Decimal Numbers

- Activity -

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

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Adding & Subtracting Rational Numbers

- Lesson plan -

Add and subtract rational numbers including negative fractions. Use absolute value to solve addition and subtraction problems.

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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.

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Addition and Subtraction

- 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.

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