Math Mysteries: Explain & Check Your Integer Sums!

Lily has 3 apples. She buys 5 more apples. How many apples does she have now? Explain how you found your answer.

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Tags

CCSS.1.OA.A.1

Tom has 7 toy cars. His friend gives him 2 more toy cars. How many toy cars does Tom have in total? Check your work to make sure it's correct.

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Tags

CCSS.1.OA.A.1

There are 4 birds on a tree. 6 more birds join them. How many birds are there altogether? Describe your reasoning.

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Tags

CCSS.2.OA.C.3

Emma has 10 stickers. She gives 3 stickers to her friend. How many stickers does Emma have left? Show how you checked your answer.

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Tags

CCSS.2.OA.A.1

A farmer has 8 cows. He buys 4 more cows. How many cows does he have now? Explain your thought process.

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Tags

CCSS.2.OA.A.1

In a box, there are 5 red balls and 3 blue balls. How many balls are there in total? Verify your answer by counting again.

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Tags

CCSS.1.OA.A.1

Jake has 2 books. His sister gives him 6 more books. How many books does Jake have now? Explain how you calculated your answer.

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Tags

CCSS.2.OA.A.1

Sofia collected 9 seashells at the beach. She finds 1 more seashell. How many seashells does she have now? Check your answer to ensure it's right.

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Tags

CCSS.1.OA.A.1

There are 6 flowers in a garden. 4 more flowers bloom. How many flowers are there now? Describe how you arrived at your answer.

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Tags

CCSS.1.OA.A.1

Max has 1 dog and his neighbor has 3 dogs. How many dogs are there in total? Explain your reasoning and check your work.

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Tags

CCSS.1.OA.A.1