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3 Add: A. 11 3/8 B /15 C. 12 3/8 D /
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1
Add and Subtract Mixed Numbers
With like and unlike denominators
2
Lesson Objectives 6.C.1.d Add and subtract proper fractions and
mixed numbers with answers in simplest form
3.A.1.a Use technology tools, including software and hardware, from a range of teacher-selected options to learn a new content or reinforce skills
3
Add:526
315
11
3/8
11
11/15
12
3/8
12
11/15
0% 0%0%0%
A. 11 3/8B. 11 11/15C. 12 3/8D. 12 11/15
10
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32
4
Subtract:436
328 10
2
1/4
2
1/12
1
11/12
15
5/12
0% 0%0%0%
A. 2 1/4B. 2 1/12C. 1 11/12D. 15 5/12
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32
5
Add:726
5412 10
19
3/35
18
38/35
6
2/7
19
38/35
0% 0%0%0%
A. 19 3/35B. 18 38/35C. 6 2/7D. 19 38/35
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32
6
Subtract:4121
8735 10
57
1/8
14
9/8
14
5/8 4 5/8
0% 0%0%0%
A. 57 1/8B. 14 9/8C. 14 5/8D. 4 5/8
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32
7
Add:544
212
10
7
3/10
6
3/10
6
13/10
7
2/5
0% 0%0%0%
A. 7 3/10B. 6 3/10C. 6 13/10D. 7 2/5
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32
8
Subtract:537
8316
10
9
1/3
9
79/40
8
31/40
8
1/3
0% 0%0%0%
A. 9 1/3B. 9 79/40C. 8 31/40D. 8 1/3
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32
9
Add: 4320
3215
10
35
17/12
36
5/12
35
5/12
5 1/4
0% 0%0%0%
A. 35 17/12B. 36 5/12C. 35 5/12D. 5 1/4
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32
10
Subtract:417
5313
10
6
17/20
20
17/20
7
7/20
6
7/20
0% 0%0%0%
A. 6 17/20B. 20 17/20C. 7 7/20D. 6 7/20
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32
11
Add:6550
8345
10
95
29/24
96
5/24
96
10/48
5
2/2
0% 0%0%0%
A. 95 29/24B. 96 5/24C. 96 10/48D. 5 2/2
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32
12
Subtract: 58714 10
8
1/8
9
7/8
19
7/8
9
1/8
0% 0%0%0%
A. 8 1/8B. 9 7/8C. 19 7/8D. 9 1/8
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32
13
Val cut 2/3 of the lawn today. She cut 1/2 of the lawn in the afternoon. What fraction of the lawn did she cut in the morning?
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32
0% 0%0%0%
A. 4/5B. 1/3C. 1/6D. 3/8
10
14
Five- eighths of the lunches sold in the cafeteria were pizzas. One –third of the lunches were hotdogs. What fraction of the lunches were either pizzas or hotdogs?
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32
10
2/3
7/24
6/11
23/24
0% 0%0%0%
A. 2/3B. 7/24C. 6/11D. 23/24
15
Luke spent 1 5/6 hours doing homework. He spent 2/3 of an hour on math problems and the rest of the time writing a report. How much time did Luke spend on his report?
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32
10
0% 0%0%0%
A. 1 5/6B. 2 1/2C. 1 1/6D. 2 3/8
16
Mike walked 2 1/6 miles, rested, and then walked another 1 5/6 miles. How far did he walk all together?
0% 0%0%0%
A. 1 2/3 milesB. 3 1/2 milesC. 3 1/4 milesD. 4 miles
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32
10
17
Da’ Qwan had 2 3/8 pounds of sliced lunch meat. He used 1 1/2 pounds of it to make sandwiches. How much of the lunch meat did he have left?
0% 0%0%0%
A. 7/8 poundsB. 1 7/8 poundsC. 1 1/8 poundsD. 3 2/5 pounds
10
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32
1