Find the value of each numeric expression.

Name:
Date:
Worksheet 6
Order of Operations
Find the value of each numeric expression.
Example
A numeric expression contains
only numbers and operation signs.
984
17
13
4
Work from left to right
when there are only
addition and subtraction.
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
Step 1 9 8 17
Step 2 17 4 13
1.
15 8 12 2.
28 13 17
3.
21 19 16
Reteach 5A
MS_Reteach 5A_Ch02_027-078.indd 63
63
10/14/09 8:53:37 AM
Name:
Date:
Find the value of each numeric expression.
Example
15 8 12 7
4.
23
12
11
7
18
7
22 7 15 9 5.
18 9 26 14
6.
64 27 13 28
64
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
Chapter 2 Lesson 2.6
MS_Reteach 5A_Ch02_027-078.indd 64
11/12/09 11:32:34 AM
Name:
Date:
Find the value of each numeric expression.
Example
862
48
24
Work from left to
right when there are
only multiplication
and division.
2
Step 1 8 6 48
Step 2 48 2 24
7.
12 9 6 © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
8.
25 5 15
9.
252 6 18
10.
14 9 21
Reteach 5A
MS_Reteach 5A_Ch02_027-078.indd 65
65
10/14/09 8:53:52 AM
Name:
Date:
Find the value of each numeric expression.
Example
13 12 4
13
61
48
Work from left to right.
Carry out multiplication
and division before
addition and subtraction.
Step 1 12 4 48
Step 2 13 48 61
210 120 10
12.
13.
14.
66
124 8 59
476 7 15
15.
72 6 18
174 240 3
16.
756 9 142
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
11.
Chapter 2 Lesson 2.6
MS_Reteach 5A_Ch02_027-078.indd 66
11/12/09 11:32:47 AM
Name:
Date:
Find the value of each numeric expression.
17.
24 36 3
18.
176 480 8
19.
212 368 4
20.
472 8 26
21.
108 9 137
22.
826 7 247
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
Find the value of each numeric expression.
23.
17 2 75 5
24.
28 3 72 9
25.
128 4 156 6
26.
4 79 225 5
27.
217 96 8 139
28.
414 176 8 3
Reteach 5A
MS_Reteach 5A_Ch02_027-078.indd 67
67
2/28/09 11:23:09 AM
Name:
Date:
Find the value of each numeric expression.
Example
9 (12 23)
9
315
35
Carry out the operation
in the parentheses first.
Step 1 12 23 35
Step 2 9 35 315
164 (135 78)
30.
31.
32.
68
476 (3 4)
6 (124 77)
33.
408 (219 39)
36 (150 126)
34.
8 (273 169)
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
29.
Chapter 2 Lesson 2.6
MS_Reteach 5A_Ch02_027-078.indd 68
11/12/09 11:33:03 AM
Name:
Date:
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
Find the value of each numeric expression.
35.
8 (24 15)
36.
100 (5 5)
37.
43 (37 8)
38.
324 (102 96)
39.
253 (162 59)
40.
552 (5 3)
41.
517 (309 107)
42.
9 (500 256)
Reteach 5A
MS_Reteach 5A_Ch02_027-078.indd 69
69
2/28/09 11:23:10 AM
Name:
Date:
Find the value of each numeric expression.
24 (35 77) 8
Step 1 Carry out the
operation in
the parentheses.
Step 2 Divide.
Step 3 Add.
44.
12 7 (145 5)
Step 1 Carry out the
operation in the
parentheses.
Step 2 Multiply.
Step 3 Subtract.
45.
4 (248 4) 8
46.
483 (82 75) 326
Find the value of each numeric expression.
47.
70
99 43 (28 7)
48.
(59 23) 4 8
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
43.
Chapter 2 Lesson 2.6
MS_Reteach 5A_Ch02_027-078.indd 70
11/12/09 11:33:17 AM
70) 1, 3
7
6
6
21. 59 R 7
22. 58 R 20
23. 122 R 13
1
15) 1, 8
1, 5
3
3
24. 114 R 11
1
)
18 2, 0
1, 8
2
1
7.
1
8
0
8
3
5
9
6
0
6
0
6
8.
9.
10.
11.
2
4
0
4
0
4
3
1
12.
2
3
0
3
0
3
0
3
13.
14.
15.
16.
1
6
0
6
8
8
7
1
25. 154 R 14
4
3
0
3
0
3
2
1
17.
18.
19.
20.
26. 141 R 12
21.
Worksheet 6
1. 15 8 12 23 12
11
2. 28 13 17 15 17
32
3. 21 19 16 2 16
18
4. 22 7 15 9 29 15 9
14 9
23
5. 18 9 26 14 9 26 14
35 14
21
6. 64 27 13 28 37 13 28
50 28
22
206
22.
23.
24.
25.
26.
27.
28.
12 9 6 108 6
18
25 5 15 5 15
75
252 6 18 42 18
756
14 9 21 126 21
6
210 120 10 210 12
198
174 240 3 174 80
254
72 6 18 432 18
414
476 7 15 68 15
53
124 8 59 992 59
1,051
756 9 142 84 142
226
24 36 3 24 108
132
176 480 8 176 60
116
212 368 4 212 92
304
472 8 26 59 26
33
108 9 137 972 137
1,109
826 7 247 118 247
365
17 2 75 5 34 15
19
28 3 72 9 84 8
92
128 4 156 6 32 26
6
4 79 225 5 316 45
271
217 96 8 139 217 12 139
229 139
90
414 176 8 3 414 22 3
414 66
480
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
20. 19 R 56
Answers
MS_Reteach 5A_ANS_199-226.indd 206
2/28/09 5:13:03 PM
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
29. 164 (135 78) 164 57
221
30. 36 (150 126) 36 24
12
31. 408 (219 39) 408 258
150
32. 6 (124 77) 6 47
282
33. 476 (3 4) 476 7
68
34. 8 (273 169) 8 104
832
35. 8 (24 15) 8 39
312
36. 100 (5 5) 100 25
4
37. 43 (37 8) 43 296
339
38. 324 (102 96) 324 6
54
39. 253 (162 59) 253 103
356
40. 552 (5 3) 552 8
69
41. 517 (309 107) 517 416
101
42. 9 (500 256) 9 244
2,196
43. 24 (35 77) 8 24 112 8
24 14
38
44. 12 7 (145 5) 84 29
55
45. 4 (248 4) 8 4 62 8
248 8
256
46. 483 (82 75) 326 483 7 326
69 326
395
47. 99 43 (28 7) 99 43 4
56 4
60
48. (59 23) 4 8 36 32
4
Worksheet 7
1. C
2. A
3. D
4. C
5. 4,104 57 72
The number is 4,104.
6. 5,520 46 120
The number is 120.
7. 7,098 78 91
The other number is 91.
8. 56 45 2,520
He can type 2,520 words in 45 minutes.
9. $7,392 48 $154
She paid $154 each month.
10. 275 4 68 R 3
She needs 69 sticks.
11. (6 7) 125 1,625
He bought 1,625 berries.
12. $12,750 ($475 22) $2,300
She owed the bank $2,300 after 22 months.
13. Number of hours Harry works on weekdays
5 8 40 hours
Amount Harry makes on weekdays
40 $15 $600
Number of hours Harry works on weekends
2 5 10 hours
Amount Harry makes on weekends
10 $25 $250
Total amount he makes in a week
$600 $250 $850
Harry makes $850 in a week.
Worksheet 8
$720
1.
Kathy
Father
2.
a.
83
Taylor
Alyssa
b. 3 83 249
Alyssa has 249 stamps.
c. 249 83 332
They have 332 stamps altogether.
Reteach 5A
5A_ANS_199-207.indd 207
207
10/14/09 2:32:55 PM