Subtraction within 20 to Solve Word Problems - Common Core: 1st Grade Math
Card 0 of 20
Megan has 
markers. Ben only has 
markers so Megan lets Ben have 
of her markers. How many markers does Megan have left?
Megan has
This is a subtraction problem because Megan is giving some of her markers away, so she will have less than what she started with.
We can start at 
and count back 
.
This is a subtraction problem because Megan is giving some of her markers away, so she will have less than what she started with.
We can start at
Compare your answer with the correct one above
Tim’s favorite tree had 
branches before the storm last night. He saw 
branches in the yard this morning. How many branches are left on the tree?
Tim’s favorite tree had
This is a subtraction problem because the tree lost branches, so it will have less than what it started with.
We can start at 
and count back 
This is a subtraction problem because the tree lost branches, so it will have less than what it started with.
We can start at
Compare your answer with the correct one above
The toy panda weighs 
pounds less than the toy truck. The truck weighs 
pounds, how much does the panda weigh?
The toy panda weighs
This is a subtraction problem because we are finding the difference in weight between the truck and the panda.
We can start at 
and count back 
.
This is a subtraction problem because we are finding the difference in weight between the truck and the panda.
We can start at
Compare your answer with the correct one above
Tom went to school with 
pieces of gum. He left school with 
pieces. How many pieces did he chew at school?
Tom went to school with
This is a subtraction problem because Tim's total amount of gum decreased.
We can start at 
and count back 
.
This is a subtraction problem because Tim's total amount of gum decreased.
We can start at
Compare your answer with the correct one above
Jess has 
t-shirts in her drawer. This week she has worn 
of her t-shirts. How many are left in the drawer?
Jess has
This is a subtraction problem because Jess has worn some of her shirts, so her total number of shirts in the drawer is decreasing.
We can start at 
and count back 
.
This is a subtraction problem because Jess has worn some of her shirts, so her total number of shirts in the drawer is decreasing.
We can start at
Compare your answer with the correct one above
Cassie picked 
flowers outside. She gave 
to her mom, and she wants to give the rest to her sister. How many does she have left for her sister?
Cassie picked
This is a subtraction problem because Cassie gave some of her flowers away, so she will have less than what she started with.
We can start at 
and count back 
.
This is a subtraction problem because Cassie gave some of her flowers away, so she will have less than what she started with.
We can start at
Compare your answer with the correct one above
Mark has 
coins in his pocket. When he gets them out, he drops all but 
of them. How many coins did he drop?
Mark has
This is a subtraction problem because Mark dropped some of his coins so he has less than what he started with.
We can start at 
and count back 
.
This is a subtraction problem because Mark dropped some of his coins so he has less than what he started with.
We can start at
Compare your answer with the correct one above
Toby has 
toys in his toy bin. At the end of the day, he has 
toys remaining in the bin. How many did he take out?
Toby has
This is a subtraction problem because Toby took toys out of the bin, so he is decreasing the number of toys in his bin.
We can start at 
and count back 
.
This is a subtraction problem because Toby took toys out of the bin, so he is decreasing the number of toys in his bin.
We can start at
Compare your answer with the correct one above
Ally has 
pieces of her Halloween candy left. She decides to share 
pieces with her sister. How many pieces does she have left?
Ally has
This is a subtraction problem because Ally is giving some of her candy away, so she will have less than what she started with.
We can start at 
and count back 
.
This is a subtraction problem because Ally is giving some of her candy away, so she will have less than what she started with.
We can start at
Compare your answer with the correct one above
David sees 
apples on the apple tree. If he picks 
of them, how many will be left?
David sees
This is a subtraction problem because David is taking away apples.
We can start at 
and count back 
.
This is a subtraction problem because David is taking away apples.
We can start at
Compare your answer with the correct one above
Tiffany bought 
balloons. On the way to the car, 
blew away. How many does she have left?
Tiffany bought
This is a subtraction problem because Tiffany lost balloons so she will have less than what she started with.
We can start at 
and count back 
.
This is a subtraction problem because Tiffany lost balloons so she will have less than what she started with.
We can start at
Compare your answer with the correct one above
Tim’s soccer team has 
boys on the team. 
of them did not come to practice. How many did come to practice?
Tim’s soccer team has
This is a subtraction problem because people did not show up for practice, so there will be less people at practice than if everyone had shown up.
We can start at 
and count back 
.
This is a subtraction problem because people did not show up for practice, so there will be less people at practice than if everyone had shown up.
We can start at
Compare your answer with the correct one above
On Christmas Eve morning, a tree lot had 
trees left to sell. By the end of the day, they had only 
trees left. How many did they sell?
On Christmas Eve morning, a tree lot had
This is a subtraction problem because the tree lot is getting rid of trees, so they have less by the end of the day.
We can start at 
and count back 
.
This is a subtraction problem because the tree lot is getting rid of trees, so they have less by the end of the day.
We can start at
Compare your answer with the correct one above
The pet store has 
goldfish in a tank. A teacher bought 
fish for her school’s fish tank. How many goldfish does the pet store have left?
The pet store has
This is a subtraction problem because the pet store sold some of their fish, so they will have less fish.
We can start at 
and count back 
.
This is a subtraction problem because the pet store sold some of their fish, so they will have less fish.
We can start at
Compare your answer with the correct one above
Spot has a box of treats with 
bones left. The box started off with 
treats. How many treats has Spot eaten from the box?
Spot has a box of treats with
This is a subtraction problem because Spot has eaten some of the bones, so he has less than what he started with.
We can start at 
and count back 
.
This is a subtraction problem because Spot has eaten some of the bones, so he has less than what he started with.
We can start at
Compare your answer with the correct one above
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?
The baseball team has
This is a subtraction problem because we want to know how many baseballs are left after the team members each take one.
We can start at 
and count back 
.
This is a subtraction problem because we want to know how many baseballs are left after the team members each take one.
We can start at
Compare your answer with the correct one above
Jenny has 
games. She let her friend use 
of them for her birthday party. How many does Jenny have left?
Jenny has
This is a subtraction problem because we want to know how many games Jenny has left after she gives some away.
We can start at 
and count back 
.
This is a subtraction problem because we want to know how many games Jenny has left after she gives some away.
We can start at
Compare your answer with the correct one above
Sarah got 
birthday gifts for her birthday. She’s opened 
of them. How many does she have left to open?
Sarah got
This is a subtraction problem because we want to know how many gifts Sarah has left to open after she's already opened some.
We can start at 
and count back 
.
This is a subtraction problem because we want to know how many gifts Sarah has left to open after she's already opened some.
We can start at
Compare your answer with the correct one above
Matt invited 
of his friends to a cookout. 
of his friends did not come. How many of his friends did come to his cookout?
Matt invited
This is a subtraction problem because some of the friends that Matt invitied did not come, so the total number of people that did come has to be less than what he invited.
We can start at 
and count back 
.
This is a subtraction problem because some of the friends that Matt invitied did not come, so the total number of people that did come has to be less than what he invited.
We can start at
Compare your answer with the correct one above
Ms. Smith’s class has 
students. 
of her students are out with the flu today. How many students are in the class today?
Ms. Smith’s class has
This is a subtraction problem because some of Mrs. Smith's students are out with the flu, so the number of students in class has to be less than the total number of students that she has.
We can start at 
and count back 
.
This is a subtraction problem because some of Mrs. Smith's students are out with the flu, so the number of students in class has to be less than the total number of students that she has.
We can start at
Compare your answer with the correct one above