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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

More Lessons for Grade 5

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 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

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 =
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.


Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.


You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.


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