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 #21 : Operations & Algebraic Thinking

Matt has \displaystyle 2 squares and Lisa has \displaystyle 8 squares. How many squares do they have altogether?

 

Possible Answers:

\displaystyle 8

\displaystyle 9

\displaystyle 10

Correct answer:

\displaystyle 10

Explanation:

\displaystyle 2+8=10

Screen shot 2015 08 27 at 2.05.35 pm

If we count all the squares together we have \displaystyle 10 squares. 

Example Question #22 : Operations & Algebraic Thinking

Eric has \displaystyle 2 squares and Drew has \displaystyle 7 squares. How many squares do they have altogether?

 

Possible Answers:

\displaystyle 8

\displaystyle 9

\displaystyle 10

Correct answer:

\displaystyle 9

Explanation:

\displaystyle 2+7=9

Screen shot 2015 08 27 at 2.04.55 pm

If we count all the squares together we have \displaystyle 9 squares. 

 

Example Question #23 : Operations & Algebraic Thinking

Nancy has \displaystyle 2 squares and Mark has \displaystyle 6 squares. How many squares do they have altogether?

Possible Answers:

\displaystyle 8

\displaystyle 6

\displaystyle 7

Correct answer:

\displaystyle 8

Explanation:

\displaystyle 2+6=8

Screen shot 2015 08 27 at 2.04.01 pm

If we count all the squares together we have \displaystyle 8 squares. 

Example Question #23 : Operations & Algebraic Thinking

Alison has \displaystyle 2 squares and David has \displaystyle 5 squares. How many squares do they have altogether?

 

Possible Answers:

\displaystyle 8

\displaystyle 7

\displaystyle 9

Correct answer:

\displaystyle 7

Explanation:

\displaystyle 2+5=7

Screen shot 2015 08 27 at 2.02.57 pm

If we count all the squares together we have \displaystyle 7 squares. 

Example Question #1551 : How To Add

Sarah has \displaystyle 2 squares and Tim has \displaystyle 3 squares. How many squares do they have altogether? 

Possible Answers:

\displaystyle 5

\displaystyle 3

\displaystyle 4

Correct answer:

\displaystyle 5

Explanation:

\displaystyle 2+3=5

Screen shot 2015 08 27 at 2.00.42 pm

If we count all the squares together we have \displaystyle 5 squares. 

Example Question #1552 : How To Add

Tammy has \displaystyle 2 squares and Tom has \displaystyle 4 squares. How many squares do they have altogether?

Possible Answers:

\displaystyle 5

\displaystyle 6

\displaystyle 7

Correct answer:

\displaystyle 6

Explanation:

\displaystyle 2+4=6

Screen shot 2015 08 27 at 2.02.03 pm

If we count all the squares together we have \displaystyle 6 squares. 

Example Question #1553 : How To Add

Jessica has \displaystyle 2 squares and Megan has \displaystyle 2 squares. How many squares do they have altogether?

 

Possible Answers:

\displaystyle 6

\displaystyle 4

\displaystyle 5

Correct answer:

\displaystyle 4

Explanation:

\displaystyle 2+2=4

Screen shot 2015 08 27 at 2.00.02 pm

If we count all the squares together we have \displaystyle 4 squares. 

Example Question #1554 : How To Add

Cameron has \displaystyle 5 squares and Chuck has \displaystyle 1 square. How many squares do they have altogether?

Possible Answers:

\displaystyle 6

\displaystyle 5

\displaystyle 7

Correct answer:

\displaystyle 6

Explanation:

\displaystyle 5+1=6

Screen shot 2015 08 27 at 3.18.35 pm

If we count all the squares together we have \displaystyle 6 squares. 

Example Question #1555 : How To Add

Natalie has \displaystyle 5 squares and Ashley has 0 squares. How many squares do they have altogether?

Possible Answers:

\displaystyle 7

\displaystyle 6

\displaystyle 5

Correct answer:

\displaystyle 5

Explanation:

\displaystyle 5+0=5

Screen shot 2015 08 27 at 3.17.58 pm

If we count all the squares together we have \displaystyle 5 squares. 

Example Question #1556 : How To Add

Molly has \displaystyle 4 squares and John has \displaystyle 6 squares. How many squares do they have altogether?

Possible Answers:

\displaystyle 9

\displaystyle 8

\displaystyle 10

Correct answer:

\displaystyle 10

Explanation:

\displaystyle 4+6=10

Screen shot 2015 08 27 at 3.16.50 pm

If we count all the squares together we have \displaystyle 10 squares. 

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