All Common Core: 1st Grade Math Resources
Example Questions
Example Question #11 : Subtraction Within 20 To Solve Word Problems
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?
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 .
Example Question #441 : Adding And Subtracting Within 20
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 .
Example Question #13 : Subtraction Within 20 To Solve Word Problems
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?
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 .
Example Question #331 : How To Subtract
Jenny has games. She let her friend use of them for her birthday party. How many does Jenny have left?
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 .
Example Question #15 : Subtraction Within 20 To Solve Word Problems
Sarah got birthday gifts for her birthday. She’s opened of them. How many does she have left to open?
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 .
Example Question #341 : Operations
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 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 .
Example Question #17 : Subtraction Within 20 To Solve Word Problems
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 .
Example Question #18 : 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 .
Example Question #561 : Numbers And Operations
Mr. Bell has desks in his classroom. He only needs desks, how many extra desks does he have?
This is a subtraction problem because we want to know how many extra desks Mr. Bell has after the he needs are used.
We can start at and count back .
Example Question #1032 : Ssat Elementary Level Quantitative (Math)
Lisa had birthday parties to go to this summer. She has already gone to of them. How many parties does she have left to go to this summer?
This is a subtraction problem because Lisa has alreayd gone to some of the parties that she was invited to, so she has less parties left to go to than she started with this summer.
We can start at and count back .