Videos, examples and solutions to help Grade 4 students learn how to subtract a mixed number from a mixed number.

Topic F: Addition and Subtraction of Fractions by Decomposition

Common Core Standards: 4.NF.3c, 4.NF.3d, 4.MD.4, 4.MD.2

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Lesson Plans and Worksheets for Grade 4

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Common Core For Grade 4

### NYS Common Core Grade 4 Module 5, Lesson 33

Lesson 33 Concept Development

Problem 1: Subtract a mixed number from a mixed number by counting up.

Problem 2: Subtract a mixed number from a mixed number when there are not enough fractional units by first subtracting the whole numbers and then decomposing the subtrahend.

Problem 3: Subtract a mixed number from a mixed number when there are not enough fractional units by decomposing a whole into fractional parts.

Lesson 33 Homework

1. Write a related addition sentence. Subtract by counting on. Use a number line or the arrow way to help.

a. 5 2/5 - 1 4/5

b. 5 3/8 - 2 5/8

2. Subtract, as shown in Problem 2(a) below, by decomposing the fractional part of the number you are subtracting. Use a number line or the arrow way to help you.

a. 4 1/5 - 1 3/5

b. 4 1/7 - 2 4/7

c. 5 5/12 - 3 8/12

3. Subtract, as shown in 3(a) below, by decomposing to take one out.

a. 5 5/8 - 2 7/8

b. 4 3/12 - 3 8/12

c. 9 1/10 - 6 9/10

4. Solve using any strategy.

a. 6 1/9 - 4 3/9

b. 5 3/10 - 3 6/10

c. 8 7/10 - 5 9/12

d. 7 4/100 - 2 92/100

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.

Topic F: Addition and Subtraction of Fractions by Decomposition

Common Core Standards: 4.NF.3c, 4.NF.3d, 4.MD.4, 4.MD.2

Lesson Plans and Worksheets for Grade 4

Lesson Plans and Worksheets for all Grades

More Lessons for Grade 4

Common Core For Grade 4

Lesson 33 Concept Development

Problem 1: Subtract a mixed number from a mixed number by counting up.

Problem 2: Subtract a mixed number from a mixed number when there are not enough fractional units by first subtracting the whole numbers and then decomposing the subtrahend.

Problem 3: Subtract a mixed number from a mixed number when there are not enough fractional units by decomposing a whole into fractional parts.

Lesson 33 Homework

1. Write a related addition sentence. Subtract by counting on. Use a number line or the arrow way to help.

a. 5 2/5 - 1 4/5

b. 5 3/8 - 2 5/8

2. Subtract, as shown in Problem 2(a) below, by decomposing the fractional part of the number you are subtracting. Use a number line or the arrow way to help you.

a. 4 1/5 - 1 3/5

b. 4 1/7 - 2 4/7

c. 5 5/12 - 3 8/12

3. Subtract, as shown in 3(a) below, by decomposing to take one out.

a. 5 5/8 - 2 7/8

b. 4 3/12 - 3 8/12

c. 9 1/10 - 6 9/10

4. Solve using any strategy.

a. 6 1/9 - 4 3/9

b. 5 3/10 - 3 6/10

c. 8 7/10 - 5 9/12

d. 7 4/100 - 2 92/100

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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