Common Core: 1st Grade Math : Adding and Subtracting Within 20

Study concepts, example questions & explanations for Common Core: 1st Grade Math

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Example Questions

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Example Question #1 : Adding And Subtracting Within 20

Fill in the blank. _________,

 

Possible Answers:

Correct answer:

Explanation:

In this series we are adding  each time, or counting by , ,  and 

Example Question #2 : Relate Counting To Addition And Subtraction: Ccss.Math.Content.1.Oa.C.5

Fill in the blank , , __________, ,

Possible Answers:

Correct answer:

Explanation:

In this series we are adding  each time, or counting by , and 

Example Question #3 : Relate Counting To Addition And Subtraction: Ccss.Math.Content.1.Oa.C.5

Fill in the blank , , , __________,  

 

Possible Answers:

Correct answer:

Explanation:

 In this series we are adding  each time, or counting by  and .

Example Question #1 : Relate Counting To Addition And Subtraction: Ccss.Math.Content.1.Oa.C.5

Fill in the blank: , , ,__________,  

 

Possible Answers:

Correct answer:

Explanation:

In this series we are adding  each time, or counting by , and .

Example Question #5 : Relate Counting To Addition And Subtraction: Ccss.Math.Content.1.Oa.C.5

Fill in the blank: , , , __________

Possible Answers:

Correct answer:

Explanation:

In this series we are adding  each time, or counting by , and 

Example Question #6 : Relate Counting To Addition And Subtraction: Ccss.Math.Content.1.Oa.C.5

Fill in the blank: , , , , __________,  

 

Possible Answers:

Correct answer:

Explanation:

In this series we are adding  each time, or counting by  and and 

Example Question #7 : Relate Counting To Addition And Subtraction: Ccss.Math.Content.1.Oa.C.5

Fill in the blank: , , , , __________,  

 

Possible Answers:

Correct answer:

Explanation:

In this series we are adding  each time, or counting by ,  and  .

Example Question #8 : Relate Counting To Addition And Subtraction: Ccss.Math.Content.1.Oa.C.5

Fill in the blank: , , ,, __________ 

 

Possible Answers:

Correct answer:

Explanation:

In this series we are adding  each time, or counting by , and 

Example Question #9 : Relate Counting To Addition And Subtraction: Ccss.Math.Content.1.Oa.C.5

Fill in the blank: , __________, ,  

 

Possible Answers:

Correct answer:

Explanation:

In this series we are adding  each time, or counting by . , .

Example Question #1 : Adding And Subtracting Within 20

Fill in the blank: , , __________,   

Possible Answers:

Correct answer:

Explanation:

In this series we are adding  each time, or counting by . .

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