Common Core: 2nd Grade Math : Use Addition and Subtraction Within 100 to Solve One- and Two-Step Word Problems: CCSS.Math.Content.2.OA.A.1

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

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Example Questions

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

Molly has  pencils and Natalie has . How many total pencils do they have if they put theirs together? 

Possible Answers:

Correct answer:

Explanation:

This is an addition problem because Molly and Natalie are putting their pencils together. We can either add  or

Example Question #2 : Using Addition Within 100 To Solve Word Problems

Emily has  blueberries,  strawberries, and  raspberries on her plate. How many total pieces of fruit does she have? 

Possible Answers:

Correct answer:

Explanation:

This is an addition problem because we want to know how many total pieces of fruit Emily has on her plate all together. We can add the numbers is any order,  

Example Question #3 : Using Addition Within 100 To Solve Word Problems

Lindsey’s family is going on vacation. She packs  things, her dad packs  things, and her mom packs  things. How many total things are they taking on their vacation? 

Possible Answers:

Correct answer:

Explanation:

This is an addition problem because we want to know how many total things that Lindsey’s family is bringing on vacation all together. We can add the numbers in any order,  

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

Amy’s street has three houses on it. The first house has  rooms, the second house has  rooms, and the third house has  rooms. How many total rooms do the  houses have? 

Possible Answers:

Correct answer:

Explanation:

This is an addition problem because we want to know how many total rooms the houses have all together. We can add the numbers in any order, 

Example Question #4 : Using Addition Within 100 To Solve Word Problems

A bag of marbles has  purple marbles,  black marbles, and  red marbles. How many marbles are in the bag? 

Possible Answers:

Correct answer:

Explanation:

This is an addition problem because we want to know how many total marbles are in the bag all together. We can add the numbers in any order,  

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

At the dog park there are  brown dogs,  white dogs, and  black dogs. How many dogs are at the park? 

Possible Answers:

Correct answer:

Explanation:

This is an addition problem because we want to know how many total dogs are at the park all together. We can add the numbers in any order, 

Example Question #5 : Using Addition Within 100 To Solve Word Problems

At school we had a hotdog-eating contest. I ate  hotdogs, Mel ate  hotdogs, and Eric ate  hotdogs. How many total hotdogs did we eat?

Possible Answers:

Correct answer:

Explanation:

This is an addition problem because we want to know how many total hotdogs were eaten all together. We can add the numbers up in any order, 

Example Question #6 : Using Addition Within 100 To Solve Word Problems

At the cakewalk there are  chocolate cakes,  yellow cakes, and  white cakes. How many total cakes are there? 

Possible Answers:

Correct answer:

Explanation:

This is an addition problem because we want to know how many total cakes are at the cakewalk all together. We can add the numbers in any order,  

Example Question #7 : Using Addition Within 100 To Solve Word Problems

At Linda’s birthday party there were  peperoni pizzas,  sausage pizzas, and  cheese pizzas. How many total pizzas were there? 

Possible Answers:

Correct answer:

Explanation:

This is an addition problem because we want to know how many total pizzas they have. We can add the numbers in any order,  

Example Question #3 : Use Addition And Subtraction Within 100 To Solve One And Two Step Word Problems: Ccss.Math.Content.2.Oa.A.1

There are two after-school programs at Steve’s school. One program has  students and the other program has . How many total students go to the after-school programs? 

Possible Answers:

Correct answer:

Explanation:

This is an addition problem because we want to know how many total students are in the after-school programs altogether. We can either add  or  

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