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Class Aquarium: Fill and Drain Fraction Parts worksheet preview

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Class Aquarium: Fill and Drain Fraction Parts

Grade 4 fraction practice with a class fish tank: add by joining parts of water and subtract by separating parts of the same tank.

Grade 4MathInteractive · Printable

Aligned to4.NF.B.3.a

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What’s included

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

Details

Format
Interactive · Printable
Grade
Grade 4
Subject
Math
Question types
Fill in the blank, Multiple choice, Matching, Sorting, Short answer

About this worksheet

What students practice

  • Students add fractions with like denominators by joining parts of the same whole.
  • Students subtract fractions with like denominators by separating parts of the same whole.
  • Students explain why fractions must refer to the same whole before they are added.

How to use

Use after students know unit fractions. Have them shade the tank bars or hop along the number line to show each fill and drain before they write the equation.

Curriculum

Common Core standard covered

4.NF.B.3.a

Understand adding and subtracting fractions as joining and separating parts of the same whole.

Preview

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Name Date

Class Aquarium: Fill and Drain Fraction Parts

Add and subtract parts of the same fish tank.

Fill the tank

The class fish tank has marks that split it into equal parts. Add to find how full the tank is.

1.
The tank has 8 equal parts. It starts empty. Mr. Diaz pours in 3/8 of a tank of water. Then Priya pours in 4/8 of a tank more.

3/8 + 4/8 =  /8 of the tank is full.

2.
The number line shows the tank from empty (0) to full (1) in tenths. The point shows the water at 2/10 of a tank. The hose adds 5/10 of a tank more.01

2/10 + 5/10 =   of the tank

3.
The big tank has 12 equal parts and starts empty. Rosa pours in 1/12 of a tank, Malik pours in 4/12 of a tank, and Quinn pours in 2/12 of a tank. How full is the tank now?

1/12 + 4/12 + 2/12 =  /12 of the tank

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