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?

Lesson 8 Problem Set

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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