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Lesson: Subtraction with Numbers Up to 20: Solving Word Problems

Learn how to solving word problems by subtracting within 20 using models or subtraction strategies. Represent these problems with an equation with a symbol for the unknnown.

Worksheet: Subtraction with Numbers Up to 20: Solving Word Problems • 8 Questions

Q1:

A child had 7 marbles in their pocket, but 4 fell out. How many marbles are left?

Q2:

A child had 9 balloons. 5 were blown away. How many are left?

A4 balloons
B9 balloons
C11 balloons
D6 balloons

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Worksheet: Subtraction with Numbers Up to 20: Writing Equations Describing Word Problems • 2 Questions

Q1:

Amelia made 12 sandwiches for a picnic. At the end of the day, there were 5 left. Write a subtraction sentence that shows this using “?” for the number of sandwiches that were eaten.

A12 − ? = 5
B? − 5 = 12
C7 − 5 = ?
D12 − 7 = ?
E5 − 7 = ?

Q2:

Anthony bought some stickers. He gave 3 to his friend and he had 11 left. Find the subtraction sentence that shows this using “?” for the number of stickers he bought.

A11 − 3 = ?
B? − 3 = 11
C14 − 11 = ?

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