Common Core: 1st Grade Math : Adding and Subtracting Within 20
Study concepts, example questions & explanations for Common Core: 1st Grade Math
All Common Core: 1st Grade Math Resources
Example Questions
Example Question #441 : Adding And Subtracting Within 20
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.
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Example Question #1 : Subtraction Within 20 To Solve Word Problems
Mark has 
This is a subtraction problem because Mark dropped some of his coins so he has less than what he started with.
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Example Question #2 : Subtraction Within 20 To Solve Word Problems
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.
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Example Question #444 : Adding And Subtracting Within 20
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.
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Example Question #3 : Subtraction Within 20 To Solve Word Problems
David sees 
This is a subtraction problem because David is taking away apples.
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Example Question #334 : How To Subtract
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.
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Example Question #331 : How To Subtract
The pet store has 
This is a subtraction problem because the pet store sold some of their fish, so they will have less fish.
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Example Question #441 : Adding And Subtracting Within 20
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.
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Example Question #13 : Subtraction Within 20 To Solve Word Problems
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.
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Example Question #331 : How To Subtract
Jenny has 
This is a subtraction problem because we want to know how many games Jenny has left after she gives some away.
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All Common Core: 1st Grade Math Resources
