You can justify a math statement
or answer by using
objects, pictures, or models
of the problem.

Answer each question using the model to help justify your answer.
     Click on the correct answer.  
 

1.  Craig was solving a problem.
He needed to add:
             56 + 23 = ?

He used place value blocks to
find his answer.

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Check Your Answer

 

 

2.  Noah has $0.43 in his pocket.  Using the least amount of coins, make $0.43. 

He used coins to find his answer.

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Check Your Answer

 

 

3.  Together Hannah and Olivia have 16 cookies.  Hannah has 6 more cookies than Olivia.  How many cookies does Olivia have?

They used counters to find their answer.

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Check Your Answer

 

4.  Ashley loves to read.  She read for 1 hour on Monday, 3 hours on Tuesday, and 2 hours on Wednesday.  How many hours did she read altogether?

She used counter to find her answer.

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Check Your Answer

 

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