Common Core: Kindergarten Math : Operations & Algebraic Thinking

Study concepts, example questions & explanations for Common Core: Kindergarten Math

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Example Questions

Example Question #91 : Understanding Addition And Subtraction

How many squares do I need to add to the  squares below so that I have  squares? 

4

Possible Answers:

Correct answer:

Explanation:

, so we need to add  more squares to the  squares to have 
4 6

Example Question #92 : Understanding Addition And Subtraction

How many squares do I need to add to the  squares below so that I have  squares? 


3

Possible Answers:

Correct answer:

Explanation:

, so we need to add  more squares to the  squares to have 

3 7

Example Question #93 : Understanding Addition And Subtraction

How many squares do I need to add to the  squares below so that I have  squares? 

2

Possible Answers:

Correct answer:

Explanation:

, so we need to add  more squares to the  squares to have 

2 8

Example Question #94 : Understanding Addition And Subtraction

How many squares do I need to add to the  square below so that I have  squares? 

1

Possible Answers:

Correct answer:

Explanation:

, so we need to add  more squares to the  square to have 

1 9

Example Question #95 : Understanding Addition And Subtraction

How many squares do I need to add to the  squares below so that I have  squares? 


8

Possible Answers:

Correct answer:

Explanation:

, so we need to add  more squares to the  squares to have 

8 2

 

Example Question #96 : Understanding Addition And Subtraction

How many squares do I need to add to the  squares below so that I have  squares? 


6

Possible Answers:

Correct answer:

Explanation:

, so we need to add  more squares to the  squares to have 

6 4

Example Question #97 : Understanding Addition And Subtraction

How many squares do I need to add to the  squares below so that I have  squares? 


3

Possible Answers:

Correct answer:

Explanation:

, so we need to add  more squares to the  squares to have 

3 7

Example Question #21 : Find The Number That Makes 10 When Added To Any Number From 1 To 9: Ccss.Math.Content.K.Oa.A.4

How many triangles do I need to add to the  triangles below so that I have  triangles? 

Screen shot 2015 08 24 at 3.14.08 pm

Possible Answers:

Correct answer:

Explanation:

, so we need to add  more triangles to the  triangles to have 

Screen shot 2015 08 24 at 3.14.13 pm

Example Question #1682 : Operations

How many triangles do I need to add to the  triangles below so that I have  triangles? 

Screen shot 2015 08 24 at 3.16.23 pm

Possible Answers:

Correct answer:

Explanation:

, so we need to add  more triangles to the  triangles to have 

Screen shot 2015 08 24 at 3.16.28 pm

Example Question #91 : Operations & Algebraic Thinking

Possible Answers:

Correct answer:

Explanation:

To subtract we can count backwards. Start at  and count back .

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