Common Core: 2nd Grade Math : Common Core Math: Grade 2

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

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Example Questions

Example Question #941 : Operations

Jessica’s dog gets  walks a day. In the morning he goes for a -minute walk, in the afternoon he goes for a -minute walk, and in the evening he goes for a -minute walk. How many total minutes does Jessica’s dog walk each day? 

Possible Answers:

Correct answer:

Explanation:

This is an addition problem because we want to know how many total minutes Jessica’s dog walks all together in a day. We can add the numbers in any order,  

Example Question #93 : How To Add

Rick, his mom, and dad went to the batting cages. Rick hits  balls, his dad hits  balls, and his mom hits  balls. How many total balls did they hit? 

Possible Answers:

Correct answer:

Explanation:

This is an addition problem because we want to know how many total balls Rick and his parents hit all together at the batting cages. We can add the numbers in any order,  

Example Question #42 : Use Addition And Subtraction Within 100 To Solve One And Two Step Word Problems: Ccss.Math.Content.2.Oa.A.1

At the store, Megan bought a bag of  apples, a bag of  oranges, and  bananas. How many pieces of fruit did Megan buy? 

Possible Answers:

Correct answer:

Explanation:

This is an addition problem because we want to know how many total pieces of fruit Megan bought all together. We can add the numbers in any order,  

Example Question #43 : Use Addition And Subtraction Within 100 To Solve One And Two Step Word Problems: Ccss.Math.Content.2.Oa.A.1

For a project, Tim needs  pieces of blue paper,  pieces of yellow paper, and  pieces of green paper. How many pieces of paper does Tim need? 

Possible Answers:

Correct answer:

Explanation:

This is an addition problem because we want to know how many total pieces of paper Tim needs all together. We can add the numbers is any order, 

Example Question #2191 : Common Core Math: Grade 2

Mr. Bell has  desks in his classroom, but he only needs  desks because he has  students. How many extra desks does he have? 

Possible Answers:

Correct answer:

Explanation:

This is a subtraction problem because we want to know how many desks are left over after all of Mr. Bell’s class sits at a desk. We take the number of desks in his room, and subtract the number of students that he has.

Example Question #2192 : Common Core Math: Grade 2

The pet store has  goldfish in a tank. A teacher bought  goldfish for her school’s fish tank. How many goldfish does the pet store have left? 

Possible Answers:

Correct answer:

Explanation:

This is a subtraction problem because we want to know how many goldfish the pet store has left over after the teacher buys the first and takes them away from the store. We take the number of goldfish that the store had and then subtract the number that the teacher bought. .

Example Question #2193 : Common Core Math: Grade 2

On the morning of December 24th, a tree lot had  trees left to sell. By the end of the day, the lot only had  trees left. How many trees were sold? 

Possible Answers:

Correct answer:

Explanation:

This is a subtraction problem because we want to know how many trees were taken away, or sold, from the total. We take the number of trees they started with, and then subtract the number of trees they have left to find out how many they sold. .

Example Question #53 : Operations

Spot has a box of treats with  bones left. The box started off with  treats. How many treats has Spot eaten from the box?  

Possible Answers:

Correct answer:

Explanation:

This is a subtraction problem because we want to know how many of the total treats Spot has eaten. We take the total number of treats and then subtract the number of treats that are left in the box. .

Example Question #54 : Operations

The baseball team has  balls to practice with. There are  boys on the team. If they each take a ball, how many balls are left over? 

Possible Answers:

Correct answer:

Explanation:

This is a subtraction problem because we want to know how many balls are left over after each boy takes one. We start with the number of balls and then subtract the number that was taken. .

Example Question #55 : Operations

Jenny has  games. She let her friend use  of them for her birthday part. How many does Jenny have left?

Possible Answers:

Correct answer:

Explanation:

This is a subtraction problem because we want to know how many games Jenny has left after she gives some to her friend. We take the total number of games that Jenny has, and then we subtract the number that she gave to her friend. .

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