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  5. Add And Subtract Mixed Numbers Lesson
Add and Subtract Mixed Numbers Lesson

Add and Subtract Mixed Numbers Lesson

Assessment

Presentation

•

Mathematics

•

5th Grade

•

Practice Problem

•

Medium

•
CCSS
5.NF.A.1, 4.NF.B.3C, 7.NS.A.1C

+2

Standards-aligned

Created by

Amy Azzarello

Used 81+ times

FREE Resource

5 Slides • 9 Questions

1

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2

  1. Stack up the mixed numbers so the whole numbers and fractions are separated.

  2. Add the whole numbers.

  3. Find common denominators and add the fractions

​

​How to Add Mixed Numbers

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3

Multiple Choice

3 48+2 283\ \frac{4}{8}+2\ \frac{2}{8}

1

32 6832\ \frac{6}{8}

2

5 6165\ \frac{6}{16}

3

5 685\ \frac{6}{8}

4

Multiple Choice

Find the sum. 2 312 +6 5122\ \frac{3}{12}\ +6\ \frac{5}{12}

1

8 8248\ \frac{8}{24}

2

8 568\ \frac{5}{6}

3

8 8128\ \frac{8}{12}

4

8 168\ \frac{1}{6}

5

  1. Stack up the mixed numbers so the whole numbers and fractions are separated.

  2. Add the whole numbers.

  3. Find common denominators and add the fractions

​

​Adding Mixed Numbers

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6

​Some people choose to turn the mixed numbers to improper fractions, add them together, and then turn them back to a mixed number in the end. This is just another option for you to consider!

​

Another option...
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7

Multiple Choice

4 38+7 144\ \frac{3}{8}+7\ \frac{1}{4}

1

11 4811\ \frac{4}{8}

2

11 3411\ \frac{3}{4}

3

11 5811\ \frac{5}{8}

4

58\frac{5}{8}

8

Multiple Choice

11 35+6 41511\ \frac{3}{5}+6\ \frac{4}{15}

1

17 2317\ \frac{2}{3}

2

1315\frac{13}{15}

3

17 131517\ \frac{13}{15}

4

17 71517\ \frac{7}{15}

9

Multiple Choice

If your answer has an improper fraction, you will need to regroup!

9 34+8 349\ \frac{3}{4}+8\ \frac{3}{4}

1

17 3417\ \frac{3}{4}

2

19 2419\ \frac{2}{4}

3

18 2418\ \frac{2}{4}

4

17 2417\ \frac{2}{4}

10

Multiple Choice

If your answer has an improper fraction, you will need to regroup the answer!

2 68+5 342\ \frac{6}{8}+5\ \frac{3}{4}

1

8 488\ \frac{4}{8}

2

7 487\ \frac{4}{8}

3

8 188\ \frac{1}{8}

4

7 187\ \frac{1}{8}

11

  1. Stack up the mixed numbers.

  2. Subtract the whole numbers.

  3. Find a common denominator and subtract the fractions.

​

​Subtracting Mixed Numbers is the same as Adding!

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12

Multiple Choice

4 34−1 244\ \frac{3}{4}-1\ \frac{2}{4}

1

3 183\ \frac{1}{8}

2

6 146\ \frac{1}{4}

3

3 143\ \frac{1}{4}

4

4 144\ \frac{1}{4}

13

Multiple Choice

7 89−5 137\ \frac{8}{9}-5\ \frac{1}{3}

1

2 592\ \frac{5}{9}

2

2 792\ \frac{7}{9}

3

5 595\ \frac{5}{9}

4

1 791\ \frac{7}{9}

14

Multiple Choice

12 56−7 1312\ \frac{5}{6}-7\ \frac{1}{3}

Hint: you may need to put your answer in simplest form!

1

6 466\ \frac{4}{6}

2

5 465\ \frac{4}{6}

3

5 125\ \frac{1}{2}

4

6 166\ \frac{1}{6}

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