Common Core Standards: 5.NF.1, 5.NF.2

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Common Core For Grade 5

New York State Common Core Math Module 3, Grade 5, Lesson 8

Lesson 8 Application Problem

Jane found money in her pocket. She went to a convenience store and spent 1/4 of her money on chocolate milk, 3/5 of her money on a magazine, and the rest of her money on candy. What fraction of her money did she spend on candy?

Lesson 8 Concept Development

Problem 2: 2 3/10 + 3

Problem 3: 1 - 1/4

Problem 4: 2 - 3/5

Problem 5: 3 - 1 2/3

1. Add or subtract.

a) 2 + 1 1 /5 =

c) 5 2/5 + 2 3/5 =

b) 2 - 1 3/8 =

f) 17 - 15 2/3 =

h) 100 - 20 7/8 =

2. Calvin had 30 minutes in time-out. For the first 23 1/3 minutes, Calvin counted spots on the ceiling. For the rest of the time he made faces at his stuffed tiger. How long did Calvin spend making faces at his tiger?

1. Add or subtract.

c) 5 2/5 + 2 3/5 =

e) 9 3/4 + 8 =

Homework:

f) 18 - 15 3/4 =

2. The total length of two ribbons is 13 meters. If one ribbon is 7 5/8 meters long, what is the length of the other ribbon?

Lesson 8 Homework

This video demonstrates how to add and subtract fractions, mixed numbers, and whole numbers using a number line.

1. Add or subtract.

a) 3 + 1 1/4 =

b) 2 - 1 5/8 =

c) 5 2/5 + 2 3/5 =

4. Andre says that 5 3/4 + 2 1/4 = 7 1/2 because 7 4/8 = 7 1/2 . Identify his mistake. Draw a picture to prove that he is wrong.

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