Common Core: 1st Grade Math : Addition within 20 to Solve Word Problems

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

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Example Questions

Example Question #11 : Addition Within 20 To Solve Word Problems

The clown is holding  balloons in one hand and  balloons in his other hand. How many total balloons does the clown have? 

Possible Answers:

Correct answer:

Explanation:

This is an addition problem because we are putting all the balloons together. When we put things together we are adding. 

We can start at  and count up .

Example Question #12 : Addition Within 20 To Solve Word Problems

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 put the number of people on the red team together with the blue team to find out how many total people are playing. When we put things together we are adding. 

We can start at  and count up .

Example Question #13 : Addition Within 20 To Solve Word Problems

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 are putting the tree on the right side of the road and the left side of the road together. When we put things together we are adding. 

We can start at  and count up .

Example Question #14 : Addition Within 20 To Solve Word Problems

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 toys Spike has when we put his balls and his stuffed toys together. When we put things together we are adding. 

We can start at  and count up .

Example Question #15 : Addition Within 20 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 score when we put the green teams points and the yellow teams points together. When we put things together we are adding. 

We can start at  and count up .

Example Question #821 : Operations & Algebraic Thinking

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 they played when we put the games they played on Friday together with the games they played on Saturday. When we put things together we are adding. 

We can start at  and count up .

Example Question #17 : Addition Within 20 To Solve Word Problems

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 when we put the number of gifts he got on Sautrday together with the number of gifts he got on Sunday. When we put things together we are adding. 

We can start at  and count up .

Example Question #18 : Addition Within 20 To Solve Word Problems

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 saw when he puts the families setting up the tables together with the families setting up the games. When we put things together we are adding. 

We can start at  and count up .

Example Question #19 : Addition Within 20 To Solve Word Problems

There are two after school programs at Steve’s school. One program has  students and the other program has . How many 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 sutents are in the after school programs when we put the two programs together. When we put things together we are adding. 

We can start at  and count up .

Example Question #431 : Adding And Subtracting Within 20

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 chapter he has to read when we put the English and the science chapters together. When we put things together we are adding. 

We can start at  and count up .

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