Topic 5 Review

Word Problems

100

The football coach spent a total of $890 including $50 in tax for 35 shirts for the team. Each shirt cost the same amount. What was the price of one shirt before tax was added? 

$24; $890 - $50 = $840

$840 / 35 = $24

200

A gymnast practices 6 days each week. She practices the same numbers of hours each day. If she practices a total of 120 hours in a 4-week period, how many hours each day does she practice? 

5 hours each day; 120 / 4 = 30 hours each week; 30 /6 = 5

300

Nathan works the same number of hours each day, 5 days each week. He earns $12 per hour. Last week he earned $420. How many hours did he work each day last week? Write equations to model your work. 

7 hours; 

420 / 12 = 35, 

35 / 5 = 7

400

A high-rise apartment building has 15 floors with 26 apartments on each floor. There are 3 kinds of apartments in the building: 1-, 2-, and 3-bedroom. The building has the same number of each kind of apartment. How many of each kind of apartment are in the building? 

There are 130 of each kind of apartment. 15 X 26 = 390; 390 / 3 = 130

Division using Mental Math

100

360 / 40 = 

9

200

2,100 / 30 = 

70

300

72,000 / 80 =

900

400

270 / 90 = 

3

500

81,000 / 90 = 

900

Compatible Numbers

100

Estimate using Compatible Numbers: 

168 / 45 = 

160 / 40 = 4

200

Estimate using Compatible Numbers:

379 / 63 = 

360 / 60 = 6

300

Estimate using Compatible Numbers: 

613 / 93 = 

600 / 100 = 6

400

Estimate using Compatible Numbers:

525 / 96 = 

500 / 100 = 5

500

Estimate using Compatible Numbers: 

748 / 92 = 

720 / 90 = 80

Long Division

100

224 / 16 = 

14

200

504 / 42 = 

12

300

1,352 / 25 = 

54 R2

400

3,549 / 12 = 

295 R9

500

1,500 / 33 = 

45 R15