Aquarium Story Problems Within 20 worksheet preview

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Aquarium Story Problems Within 20

Grade 1 aquarium story problems within 20. Students add or subtract to find a missing number at the start, middle, or end of a story.

Grade 1MathInteractive · Printable

Aligned to1.OA.A.1

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What’s included

Single worksheet
Auto-graded online
1 Common Core standard
Printable answer key
14 questions
Classroom-ready

Details

Format: Interactive · Printable
Grade: Grade 1
Subject: Math
Question types: Fill in the blank, Multiple choice, Circle the answer, Short answer

About this worksheet

What students practice

Students solve add to and take from story problems within 20 with the unknown in any position.
Students solve put together and compare story problems within 20.
Students choose an equation with a symbol for the unknown number to match a story.

How to use

Read each story aloud with first graders. Let them draw fish, use the number line, or count on with fingers before writing the missing number.

Curriculum

Common Core standard covered

Solve addition and subtraction story problems within 20 with the unknown in any position.

Preview

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Name Date

Aquarium Story Problems Within 20

Add or subtract to find the missing number in each fish story.

Add and take away

Read the story. Write the missing number.

You can use this number line to count on or count back.

1.

There are 9 fish in the tank. Mr. Lee puts in 4 more fish. How many fish are in the tank now?

9 + 4 = fish

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