Video solutions to help Grade 5 students learn how to strategize to solve multi-term problems.

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

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Common Core For Grade 5

Lesson 14 Application Problem

For a large order, Mr. Magoo made 3/8 kg of fudge in his bakery. He then got 1/6 kg from his sister’s bakery. If he needs a total of 1 1/2 kg, how much more fudge does he need to make?

During lunch, Charlie drinks 2 3/4 cup of milk. Allison drinks 3/8 cup of milk. Carmen drinks 1/6 cup of milk. How much milk do the 3 students drink?

Lesson 14 Concept Development

2/3 + 1/5 + 1/3 + 1 4/5

Problem 2

5 7/8 - 1/2 - 7/8 - 1 1/2

Problem 3

2 5/6 - 1/3 + 1/6

Problem 4

14/3 + ____ + 9/4 = 8 11/12

Problem 5

____ - 15 - 4 1/2 = 7 3/5

Problem 6

6 3/4 + 3/5 - ___ = 5

Lesson 14 Problem Set

1. Rearrange the terms so that you can add or subtract mentally, then solve.

a) 1/4 + 2 2/3 + 7/4 + 1/3

b) 2 3/5 - 3/4 + 2/5

c) 4 3/7 - 3/4 - 2 1/4 - 3/7

d) 5/6 + 1/3 - 4/3 + 1/6

Lesson 14 Problem Set

2. Fill in the blank to make the statement true.

a) 11 2/5 - 3 2/3 - 11/3 = ____

b) 11 7/ + 3 1/5 - ____ = 15

c) 5/12 - ___ + 5/4 = 2/3

d) ___ - 30 - 7 1/4 = 21 2/3

e) 24/5 + ___ + 8/7 = 9

f) 11.1 + 3 1/10 - ___ = 99/10

Lesson 14 Homework

This video demonstrates how to solve fractional addition and subtraction problems using multi-term solution strategies.

1. Rearrange the terms so that you can add or subtract mentally, then solve.

a) 1 3/4 + 1/2 + 1/4 + 1/2

b) 3 1/6 - 3/4 + 5/6

2. Fill in the blank to make the statement true.

h) 9 5/6 + 1 1/4 + ______ = 14

Lesson 14 Homework

1. Rearrange the terms so that you can add or subtract mentally, then solve.

a) 1 3/4 + 1/2 + 1/4 + 1/2

b) 3 1/6 - 3/4 + 5/6

c) 5 5/8 - 2 6/7 - 2/7 - 5/8

d) 7/9 + 1/2 - 3/2 + 2/9

Lesson 14 Homework

1. Rearrange the terms so that you can add or subtract mentally, then solve.

a) 1 3/4 + 1/2 + 1/4 + 1/2

b) 3 1/6 - 3/4 + 5/6

2. Fill in the blank to make the statement true.

h) 9 5/6 + 1 1/4 + _____ = 14

3. Laura bought 8 3/10 yd of ribbon. She used 1 2/5 yd to tie a package and 2 1/3 to make a bow. Joe later gave her 4 3/5 yd. How much ribbon does she now have?

4. Mia bought 10 1/2 lb of flour. She used 2 3/4 lb of flour to bake a banana cake and some to bake a chocolate cake. After baking the two cakes, she had 3 5/6 lb of flour left. How much flour did she use to bake the chocolate cake?

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