##### Notes

Supports Common Core Mathematics Standard CCSS 4.NF.B.3d

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## Fraction Word Problems - Addition and Subtraction

1.
In a pond, 1/8 of the animals are amphibians, 1/8 are mammals, 2/8 are fish, and 3/8 are insects. The remaining animals are reptiles. Write a subtraction equation that shows the fraction of animals in the pond that are reptiles.

2.
Josie and Xavier are lab partners in science class. They work together to write their lab report by each writing the parts of the report shown below.

Introduction - Josie
Materials - Xavier
Procedure - Xavier
Data - Josie
Conclusions - Xavier

Write an addition fraction equation the shows how Josie and Xavier shared writing the report.

3.
Write a word problem for the fraction model equation shown below.
$+$$=$

4.
Write a word problem for the fraction model equation shown below.
$-$$-$$=$

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