Common Core: 2nd Grade Math : Operations & Algebraic Thinking

Study concepts, example questions & explanations for Common Core: 2nd Grade Math

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Example Questions

Example Question #131 : How To Add

During the soccer game, the red team had  players on the field, but the blue team only had  players. How many total players were playing in the game? 

Possible Answers:

Correct answer:

Explanation:

This is an addition problem because we want to know how many total players are on the field all together. We can either add  or  

Example Question #132 : How To Add

During a walk, Ashley counted  trees on the right side of the road, and  trees on the left side of the road. How many total trees did she count?

Possible Answers:

Correct answer:

Explanation:

This is an addition problem because we want to know how many total trees Ashley counted all together. We can either add  or  

Example Question #913 : Operations

The pet store has  tanks for frogs. The first tank has  frogs and the second tank has  frogs. How many total frogs does the pet store have? 

Possible Answers:

Correct answer:

Explanation:

This is an addition problem because we want to know how many total frogs the pet store has all together. We can either add  or  

Example Question #22 : Use Addition And Subtraction Within 100 To Solve One And Two Step Word Problems: Ccss.Math.Content.2.Oa.A.1

Spike, Greg’s dog, has lots of toys! He has  balls and  stuffed toys. How many total toys does Spike have? 

Possible Answers:

Correct answer:

Explanation:

This is an addition problem because we want to know how many total toys Spike has all together. We can either add  or 

Example Question #25 : Using Addition Within 100 To Solve Word Problems

During a baseball game, the green team scored  points and the yellow team scored  points. How many total points were scored during the game? 

Possible Answers:

Correct answer:

Explanation:

This is an addition problem because we want to know how many total points were scored in the baseball game all together. We can either add  or  

Example Question #133 : How To Add

During a sleepover, Maggie and Alex want to play all the games in Alex’s toy closet. They play  games on Friday night and  games on Saturday. How many total games do they play? 

Possible Answers:

Correct answer:

Explanation:

This is an addition problem because we want to know how many total games Alex and Maggie played all together. We can either add  or  

Example Question #24 : Use Addition And Subtraction Within 100 To Solve One And Two Step Word Problems: Ccss.Math.Content.2.Oa.A.1

This weekend is John’s birthday. He has a party on both Saturday and Sunday! On Saturday he got  gifts and on Sunday he got  gifts. How many total gifts did John get for his birthday? 

Possible Answers:

Correct answer:

Explanation:

This is an addition problem because we want to know how many total gifts John got for his birthday all together. We can either add  or  

Example Question #134 : How To Add

Todd’s street is having a block party. Todd sees  families setting up tables and  families setting up games. How many total families does Todd see? 

Possible Answers:

Correct answer:

Explanation:

This is an addition problem because we want to know how many total families Todd sees all together. We can either add  or  

Example Question #141 : How To Add

Drew has homework in his English class and his science class. He has  chapters to read in his science book and  chapters to read in his English book. How many total chapters does Drew have to read? 

Possible Answers:

Correct answer:

Explanation:

This is an addition problem because we want to know how many total chapters Drew has to read all together. We can either add  or  

Example Question #142 : How To Add

There are  girls and  boys in the second grade. How many total students are in the second grade? 

Possible Answers:

Correct answer:

Explanation:

This is an addition problem because we want to know how many total students are in the second grade all together. We can add  or 

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