Videos to help Grade 5 students learn how to subtract fractions greater than or equal to one.

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

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Lesson Plans and Worksheets for Grade 5

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Common Core For Grade 5

New York State Common Core Math Module 3, Grade 5, Lesson 12

Lesson 12 Application Problem

Problem 1

Max’s reading assignment was to read 15 1/2 pages. After reading 4 1/3 pages, he took a break. How many more pages does he need to read to finish his assignment?

Problem 2

Sam and Nathan are training for a race. Monday, Sam ran 2 3/4 miles, and Nathan ran 2 1/3 miles. How much farther did Sam run than Nathan?

Lesson 12 Concept Development

1 3/4 - 6/7

1 1/5 - 1/2

1/2 - 1/5

1 1/5 - 2/3

Lesson 12 Problem Set

1. Subtract.a) 3 1/5 - 2 1/4 =

d) 7 2/5 - 5 2/3 =

f) 9 2/3 - 2 6/7 =

4. Jazmyne determined to spent 6 1/2 hours studying over the weekend. She spent 1 1/4 hours studying on Friday evening and 2 1/3 hours on Saturday. How much longer does she need to spend studying on Sunday in order to reach her goal?

Lesson 12 Homework

1. Subtract.a) 3 1/4 - 2 1/3 =

f) 8 2/3 - 3 5/7 =

3. Ms. Sanger blended 8 3/4 gallons of iced tea with some lemonade for a picnic. If there were 13 2/5 gallons in the mixture, how many gallons of lemonade did she use?

Lesson 12 Homework

This video demonstrates how to solve complex problems involving mixed numbers and subtraction. Multiple methods are shown and explained.

1. Subtract.

a) 3 1/4 - 2 1/3 =

4. A carpenter has a 10 1/2 foot wood plank. He cuts off 4 1/4 feet to replace the slat of a deck and 3 2/3 feet to repair a bannister. He uses the rest of the plank to fix a stair. How many feet of wood does the carpenter use to fix the stair?

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