1st Grade Math › Subtraction within 20 to Solve Word Problems
Joe has total math problems to complete for homework tonight. He wants to get
done before dinner. How many will he have left to do after dinner?
This is a subtraction problem because we want to know how many homework problems Joe will have left after he does some of them, so he will have less than what he started with.
We can start at and count back
.
Spot has a box of treats with bones left. The box started off with
treats. How many treats has Spot eaten from the box?
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. .
Tim’s soccer team has boys on the team.
of them did not come to practice. How many did come to practice?
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
.
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?
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
Matt invited of his friends to a cookout.
of his friends did not come. How many of his friends did come to his cookout?
This is a subtraction problem because we want to find out how many of Matt’s invited friends were able to come to his party. We take the total number of people that were invited, and subtract the number of people that did not come. .
Spot has a box of treats with bones left. The box started off with
treats. How many treats has Spot eaten from the box?
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
.
Jess has t-shirts in her drawer. This week she has worn
of her t-shirts. How many are left in the drawer?
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
.
Ms. Smith’s class has students.
of her students are out with the flu today. How many students are in the class today?
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
.
The toy panda weighs pounds less than the toy truck. The truck weighs
pounds, how much does the panda weigh?
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
.
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?
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
.