Lesson 1 Homework Practice
NAME _____________________________________________ DATE __________________ PERIOD _________
Lesson 1 Homework Practice Estimate Products of Fractions Estimate each product. 1 1. − × 28
1 2. − × 20
3
1 − × 27 = 9
1 − of 81 = 9
7
9
5 5. − × 23
1 of 47 4. −− 11
2 6. − × 76
8
3
5 − × 24 = 15
1 −− of 44 = 4 11
2 − × 75 = 50
8
3
6 8. − of 51
2 of 37 7. − 5
3 2 9. − ×−
7
5
6 − of 49 = 42
2 − of 35 = 14 5
2
10 7 11. −− ×−
5
19
2
6 1 × 3− 13. 2 − 7
3 3 12. − ×−
8
4
1 1 − ×1=−
1×1=1
10
2
2
3 2 15. 4 − × 17 −
4
8
13 × 6 = 78
3×3=9
7
1 1 1×− =−
2
9 1 14. 12 −− × 6−
4
9
1 − ×0=0
7
7 4 ×− 10. −
Copyright © The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom use.
9
1 − × 21 = 3
3
8
1 3. − of 83
7
7
4 × 17 = 68
Estimate the area of each rectangle. 16.
17.
1
2 3 ft
15
4 16 in.
5 6 8 ft
1
5 8 in.
5 × 5 = 25 in2
7 × 2 = 14 ft2
18. SCULPTURE Trevor is using the recipe for sculpture-carving material shown at the right. a. About how many cups of cement would he need to 4 batch of the recipe? make − 9
1 1 Sample answer: − ×1=− cup cement 2 2
Girostone Recipe 5 cup vermiculite 1 1− cup cement 4
5 − cup sand 8
water to form thick paste
b. About how many cups of sand would he need to make 6 1− batches of the recipe? 7
1 Sample answer: 2 × − = 1 cup sand 2
Course 1 • Chapter 4 Multiply and Divide Fractions
53
Lesson 1 Homework Practice Estimate Products of Fractions Estimate each product. 1 1. − × 28
1 2. − × 20
3
1 − × 27 = 9
1 − of 81 = 9
7
9
5 5. − × 23
1 of 47 4. −− 11
2 6. − × 76
8
3
5 − × 24 = 15
1 −− of 44 = 4 11
2 − × 75 = 50
8
3
6 8. − of 51
2 of 37 7. − 5
3 2 9. − ×−
7
5
6 − of 49 = 42
2 − of 35 = 14 5
2
10 7 11. −− ×−
5
19
2
6 1 × 3− 13. 2 − 7
3 3 12. − ×−
8
4
1 1 − ×1=−
1×1=1
10
2
2
3 2 15. 4 − × 17 −
4
8
13 × 6 = 78
3×3=9
7
1 1 1×− =−
2
9 1 14. 12 −− × 6−
4
9
1 − ×0=0
7
7 4 ×− 10. −
Copyright © The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom use.
9
1 − × 21 = 3
3
8
1 3. − of 83
7
7
4 × 17 = 68
Estimate the area of each rectangle. 16.
17.
1
2 3 ft
15
4 16 in.
5 6 8 ft
1
5 8 in.
5 × 5 = 25 in2
7 × 2 = 14 ft2
18. SCULPTURE Trevor is using the recipe for sculpture-carving material shown at the right. a. About how many cups of cement would he need to 4 batch of the recipe? make − 9
1 1 Sample answer: − ×1=− cup cement 2 2
Girostone Recipe 5 cup vermiculite 1 1− cup cement 4
5 − cup sand 8
water to form thick paste
b. About how many cups of sand would he need to make 6 1− batches of the recipe? 7
1 Sample answer: 2 × − = 1 cup sand 2
Course 1 • Chapter 4 Multiply and Divide Fractions
53
