Unit 5: Addition and Subtraction up to 20

What are adddends ?

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Tags

CCSS.2.OA.A.1

What does it mean to compose numbers?

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Tags

CCSS.2.OA.A.1

Which ones are counting (natural) numbers?

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Tags

CCSS.2.MD.B.6

How do you decompose numbers?

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What does finding the difference mean? Find the number sentence that shows the difference.

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Tags

CCSS.2.OA.A.1

What does the equal sign tell you about the equations?

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Which one shows examples of equations?

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Which one is an example of mathematical expressions?

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Tags

CCSS.6.EE.A.1

What are fact families?

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Tags

CCSS.4.NBT.B.6

Which one shows the minuend?

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Tags

CCSS.1.OA.A.1