Mathematics for the Trades a Guided Approach, Canadian Edition, 2nd Edition Robert A.
Carman Hal M. Saunders Tom Mills
Chapters 1-11
Chapter 1 Arithmetic of Whole Numbers
1) Write seven hundred, twenty-eight in correct numeric form.
Answer: 728
Type: SA
2) Write four thousand, fifty-three in correct numeric form.
Answer: 4053
Type: SA
3) Write forty-eight million, six thousand, four hundred, three in correct numeric form.
Answer: 48,006,403
Type: SA
4) Write seven billion, three million, twenty-six thousand, five in correct numeric form.
Answer: 7,003,026,005
Type: SA
5) Round the number 48,499 to the nearest hundred.
Answer: 48,500
Type: SA
6) Round the number 518 to the nearest ten.
Answer: 520
Type: SA
7) Round the number 78,263 to the nearest thousand.
Answer: 78,000
Type: SA
8) Round the number 36,952 to the nearest hundred.
Answer: 37,000
Type: SA
9) 189 + 495 =
Answer: 684
Type: SA
10) 564 + 985 =
Answer: 1549
Type: SA
,11) 423 + 782 =
Answer: 1205
Type: SA
12) 149 + 38 =
Answer: 187
Type: SA
13) 901 + 865 =
Answer: 1766
Type: SA
14) 7882 + 444 =
Answer: 8326
Type: SA
15) 78,044 + 7643 =
Answer: 85,687
Type: SA
16) 75 + 824 + 344 =
Answer: 1243
Type: SA
17) 468 + 942 + 36 + 8203 =
Answer: 9649
Type: SA
18) 5982 + 97 + 972 + 10,624 =
Answer: 17,675
Type: SA
19) 12 + 82 + 94 + 3 + 104 =
Answer: 295
Type: SA
20) A plumbing supply company sold the following lengths of PVC pipe in one day:
16 m, 8 m, 31 m, and 47 m. What was the total length of pipe sold?
Answer: 16 + 8 + 31 + 47 = 102 m
Type: SA
21) While building a house, a mason laid 1548 bricks on the first day, 1288 on the second day,
and 1392 on the third day. How many bricks did he use?
Answer: 4228 bricks
Type: SA
,22) A contractor paid his labourers the following for one week's work:
Paula - $365
Marty - $274
Brad - $489
Thomas - $455
What was his salary expense for the week?
Answer: $1583
Type: SA
23) In preparing an estimate to remodel a kitchen, a contractor predicts cabinet costs of $750,
sink and countertop $485, paint and wallpaper $229, floor tile $565, appliances $3859, and
labour $1100. What is the total cost?
Answer: $6988
Type: SA
24) 42 - 13 =
Answer: 29
Type: SA
25) 582 - 24 =
Answer: 558
Type: SA
26) 800 - 135 =
Answer: 665
Type: SA
27) 760 - 349 =
Answer: 411
Type: SA
28) 362 - 177 =
Answer: 185
Type: SA
29) 9111 - 292 =
Answer: 8819
Type: SA
30) 6848 - 709 =
Answer: 6139
Type: SA
31) 7865 - 3442 =
Answer: 4423
Type: SA
32) 15,056 - 487 =
Answer: 14,569
, Type: SA
33) 39,005 - 6206 =
Answer: 32,799
Type: SA
34) 18,036 - 16,956 =
Answer: 1080
Type: SA
35) A painter is painting a room that is 720 square feet. However, he ran out of paint after
painting 594 sq ft. How many sq ft does he have left to paint?
Answer: 126 sq ft
Type: SA
36) A cement truck was filled with 2981 kilograms of cement. Throughout the day cement was
poured at four sites in the following amounts: 572 kg, 1142 kg, 435 kg, and 390 kg. How much
cement was left in the truck at the end of the day?
Answer: 2891 - 572 - 1142 - 435 - 390 = 352 kg
Type: SA
37) J. Hartley Poolbuilders charge $15,600 to build a residential swimming pool. Their costs are
$1568 for excavation and steel reinforcement; $1555 for concrete and plaster; $2850 for tile and
coping; $1675 for plumbing and electric work; and $2579 for equipment. What is their profit?
Answer: $5373
Type: SA
38) Modern Plumbing and Heating announced a profit of $48,127 in 2016. In 2017, their profit
was $52,289. Find the increase.
Answer: $4162
Type: SA
39) Which total volume is greater, four drums containing 48, 35, 29, and 57 litres or five drums
containing 30, 22, 18, 18, and 35 litres? By how much is it greater?
Answer: Four drums which contain a total of 46 litres more than the five drums.
Type: SA
40) A machinist worked 40 regular hours and 10 overtime hours during one week and earned
$660. If his regular pay is $480, what did he earn during overtime hours?
Answer: $180
Type: SA