# Add and Subtract Fractions - Number Line

Videos to help Grade 5 students learn how to add fractions to and subtract fractions from whole numbers using equivalence and the number line as strategies.

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

Related Topics:
Lesson Plans and Worksheets for Grade 5

Lesson Plans and Worksheets for all Grades

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 1: 1 + 1 3/4
Problem 2: 2 3/10 + 3
Problem 3: 1 - 1/4
Problem 4: 2 - 3/5
Problem 5: 3 - 1 2/3

Lesson 8 Problem Set

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

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.
a) 3 + 1 1/4 =
b) 2 - 1 5/8 =
c) 5 2/5 + 2 3/5 =
Lesson 8 Homework

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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