© T Madas

CalculatingPercentagesusing aCalculator

© T Madas

Find 12% of 140 16.8

Find 34% of 185 62.9

Find 22% of 387 85.14

Find 35% of 96.4 33.74

Find 72% of 855 615.6

Find 41% of 390 159.9

Find 26% of 307 79.82

Find 9% of 110 9.9

Calculator Practice with Percentages

Find 12.5% of 68 8.5

Find 17.5% of 240 42

Find 8.5% of 384 32.64

Find 27.5% of 120 33

Find 7.2% of 855 61.56

Find 16.4% of 365 59.86

Find 1.7% of 300 5.1

Find 0.5% of 110 0.55

© T Madas

Find 14% of 160 22.4

Find 35% of 284 99.4

Find 24% of 749 179.76

Find 45% of 146.4 65.88

Find 32% of 855 273.6

Find 11% of 930 102.3

Find 36% of 385 138.6

Find 7% of 220 15.4

Find 12.5% of 88 11

Find 17.5% of 320 56

Find 8.5% of 384 32.64

Find 27.5% of 360 99

Find 8.2% of 900 73.8

Find 18.4% of 565 103.96

Find 0.5% of 360 1.8

Find 0.25% of 400 1

Calculator Practice with Percentages

© T Madas

Test onPercentagesusing aCalculator

© T Madas

Find 12% of 140 16.8

Find 34% of 185 62.9

Find 22% of 387 85.14

Find 35% of 96.4 33.74

Find 72% of 855 615.6

Find 41% of 390 159.9

Find 26% of 307 79.82

Find 9% of 110 9.9

Calculator Practice with Percentages

Find 12.5% of 68 8.5

Find 17.5% of 240 42

Find 8.5% of 384 32.64

Find 27.5% of 120 33

Find 7.2% of 855 61.56

Find 16.4% of 365 59.86

Find 1.7% of 300 5.1

Find 0.5% of 110 0.55

© T Madas

Find 14% of 160 22.4

Find 35% of 284 99.4

Find 24% of 749 179.76

Find 45% of 146.4 65.88

Find 32% of 855 273.6

Find 11% of 930 102.3

Find 36% of 385 138.6

Find 7% of 220 15.4

Find 12.5% of 88 11

Find 17.5% of 320 56

Find 8.5% of 384 32.64

Find 27.5% of 360 99

Find 8.2% of 900 73.8

Find 18.4% of 565 103.96

Find 0.5% of 360 1.8

Find 0.25% of 400 1

Calculator Practice with Percentages

© T Madas

CalculatingPercentagesusing

Multipliers

© T Madas

Practice on using Percentage Multipliers

Calculate the following percentages by using multipliers:

35% of 124:

43% of 220:

74% of 350:

13% of 270:

29% of 260:

65% of 480:

5% of 185:

7% of 631:

7.5% of 440:

5.5% of 820:

0.35

0.43

0.74

0.13

0.29

0.65

0.05

0.07

0.075

0.055

x 124 =

x 220 =

x 350 =

x 270 =

x 260 =

x 480 =

x 185 =

x 631 =

x 440 =

x 820 =

43.4

94.6

259

35.1

75.4

312

9.25

44.17

33

45.1

© T Madas

Practice on using Percentage Multipliers

Calculate the following percentages by using multipliers:

65% of 144:

13% of 320:

54% of 360:

81% of 670:

8% of 250:

4.5% of 560:

17.5% of 820:

7.3% of 1450:

11.5% of 444:

0.5% of 910:

0.65

0.13

0.54

0.81

0.08

0.045

0.175

0.073

0.115

0.005

x 144 =

x 320 =

x 360 =

x 670 =

x 250 =

x 560 =

x 820 =

x 1450 =

x 444 =

x 910 =

93.6

41.6

194.4

542.7

20

25.2

143.5

105.85

51.06

4.55

© T Madas

Practice on using Percentage Multipliers

Find 12% of 140 16.8

Find 34% of 185 62.9

Find 22% of 387 85.14

Find 35% of 96.4 33.74

Find 72% of 855 615.6

Find 41% of 390 159.9

Find 26% of 307 79.82

Find 9% of 110 9.9

Find 12.5% of 68 8.5

Find 17.5% of 240 42

Find 8.5% of 384 32.64

Find 27.5% of 120 33

Find 7.2% of 855 61.56

Find 16.4% of 365 59.86

Find 1.7% of 300 5.1

Find 0.5% of 110 9.9

© T Madas

Find 14% of 160 22.4

Find 35% of 284 99.4

Find 24% of 749 179.76

Find 45% of 146.4 65.88

Find 32% of 855 273.6

Find 11% of 930 102.3

Find 36% of 385 138.6

Find 7% of 220 15.4

Find 12.5% of 88 11

Find 17.5% of 320 56

Find 8.5% of 384 10.71

Find 27.5% of 360 99

Find 8.2% of 900 73.8

Find 18.4% of 565 103.96

Find 0.5% of 360 1.8

Find 0.25% of 400 1

Practice on using Percentage Multipliers

© T Madas

Teston calculating

Percentagesusing

Multipliers

© T Madas

Practice on using Percentage Multipliers

Calculate the following percentages by using multipliers:

35% of 124:

43% of 220:

74% of 350:

13% of 270:

29% of 260:

65% of 480:

5% of 185:

7% of 631:

7.5% of 440:

5.5% of 820:

0.35

0.43

0.74

0.13

0.29

0.65

0.05

0.07

0.075

0.055

x 124 =

x 220 =

x 350 =

x 270 =

x 260 =

x 480 =

x 185 =

x 631 =

x 440 =

x 820 =

43.4

94.6

259

35.1

75.4

312

9.25

44.17

33

45.1

© T Madas

Practice on using Percentage Multipliers

Calculate the following percentages by using multipliers:

65% of 144:

13% of 320:

54% of 360:

81% of 670:

8% of 250:

4.5% of 560:

17.5% of 820:

7.3% of 1450:

11.5% of 444:

0.5% of 910:

0.65

0.13

0.54

0.81

0.08

0.045

0.175

0.073

0.115

0.005

x 144 =

x 320 =

x 360 =

x 670 =

x 250 =

x 560 =

x 820 =

x 1450 =

x 444 =

x 910 =

93.6

41.6

194.4

542.7

20

25.2

143.5

105.85

51.06

4.55

© T Madas

Practice on using Percentage Multipliers

Find 12% of 140 16.8

Find 34% of 185 62.9

Find 22% of 387 85.14

Find 35% of 96.4 33.74

Find 72% of 855 615.6

Find 41% of 390 159.9

Find 26% of 307 79.82

Find 9% of 110 9.9

Find 12.5% of 68 8.5

Find 17.5% of 240 42

Find 8.5% of 384 32.64

Find 27.5% of 120 33

Find 7.2% of 855 61.56

Find 16.4% of 365 59.86

Find 1.7% of 300 5.1

Find 0.5% of 110 9.9

© T Madas

Find 14% of 160 22.4

Find 35% of 284 99.4

Find 24% of 749 179.76

Find 45% of 146.4 65.88

Find 32% of 855 273.6

Find 11% of 930 102.3

Find 36% of 385 138.6

Find 7% of 220 15.4

Find 12.5% of 88 11

Find 17.5% of 320 56

Find 8.5% of 384 10.71

Find 27.5% of 360 99

Find 8.2% of 900 73.8

Find 18.4% of 565 103.96

Find 0.5% of 360 1.8

Find 0.25% of 400 1

Practice on using Percentage Multipliers

© T Madas

CalculatingPercentageincreases & decreasesusing multipliers

© T Madas

Calculate the following percentages by using multipliers:

Increase 220 by 15%:

Decrease 230 by 15%:

Increase 125 by 12%:

Decrease 180 by 9%:

Increase 320 by 22% :

Decrease 155 by 18%:

Increase 275 by 24%:

Decrease 725 by 25%:

Increase 520 by 35%:

Decrease 900 by 16%:

220

230

125

180

320

155

275

725

520

900

x 1.15 =

x 0.85 =

x 1.12 =

x 0.91 =

x 1.22 =

x 0.82 =

x 1.24 =

x 0.75 =

x 1.35 =

x 0.84 =

253

195.5

140

163.8

390.4

127.1

341

543.75

702

756

Percentage Changes using Multipliers

© T Madas

Calculate the following percentages by using multipliers:

Increase 260 by 15%:

Decrease 450 by 12%:

Increase 225 by 16%:

Decrease 184 by 5%:

Increase 780 by 7% :

Decrease 265 by 18%:

Increase 430 by 8%:

Decrease 870 by 6%:

Increase 520 by 17.5%:

Decrease 900 by 5.5%:

260

450

225

184

780

265

430

870

520

900

x 1.15 =

x 0.88 =

x 1.16 =

x 0.95 =

x 1.07 =

x 0.82 =

x 1.08 =

x 0.94 =

x 1.175 =

x 0.945 =

299

396

261

174.8

834.6

217.3

464.4

817.8

611

850.5

Percentage Changes using Multipliers

© T Madas

Increase 320 by 10% 352

Increase 175 by 15% 201.25

Increase 156 by 35% 210.6

Decrease 240 by 20% 192

Decrease 865 by 40% 519

Increase 125 by 12% 140

Increase 264 by 29% 340.56

Decrease 1008 by 7% 937.44

Percentage increase & decrease using Multipliers

Decrease 298 by 13% 259.26

© T Madas

Increase 340 by 15% 391

Increase 245 by 18% 289.1

Increase 825 by 34% 1105.5

Decrease 280 by 15% 238

Decrease 345 by 40% 207

Increase 9832 by 16% 11405.12

Increase 398 by 31% 521.38

Decrease 1538 by 5% 1461.1

Decrease 312 by 11% 277.68

Percentage increase & decrease using Multipliers

© T Madas

Test onPercentageincreases & decreasesusing multipliers

© T Madas

Calculate the following percentages by using multipliers:

Increase 220 by 15%:

Decrease 230 by 15%:

Increase 125 by 12%:

Decrease 180 by 9%:

Increase 320 by 22% :

Decrease 155 by 18%:

Increase 275 by 24%:

Decrease 725 by 25%:

Increase 520 by 35%:

Decrease 900 by 16%:

220

230

125

180

320

155

275

725

520

900

x 1.15 =

x 0.85 =

x 1.12 =

x 0.91 =

x 1.22 =

x 0.82 =

x 1.24 =

x 0.75 =

x 1.35 =

x 0.84 =

253

195.5

140

163.8

390.4

127.1

341

543.75

702

756

Percentage Changes using Multipliers

© T Madas

Calculate the following percentages by using multipliers:

Increase 260 by 15%:

Decrease 450 by 12%:

Increase 225 by 16%:

Decrease 184 by 5%:

Increase 780 by 7% :

Decrease 265 by 18%:

Increase 430 by 8%:

Decrease 870 by 6%:

Increase 520 by 17.5%:

Decrease 900 by 5.5%:

260

450

225

184

780

265

430

870

520

900

x 1.15 =

x 0.88 =

x 1.16 =

x 0.95 =

x 1.07 =

x 0.82 =

x 1.08 =

x 0.94 =

x 1.175 =

x 0.945 =

299

396

261

174.8

834.6

217.3

464.4

817.8

611

850.5

Percentage Changes using Multipliers

© T Madas

Increase 320 by 10% 352

Increase 175 by 15% 201.25

Increase 156 by 35% 210.6

Decrease 240 by 20% 192

Decrease 865 by 40% 519

Increase 125 by 12% 140

Increase 264 by 29% 340.56

Decrease 1008 by 7% 937.44

Percentage increase & decrease using Multipliers

Decrease 298 by 13% 259.26

© T Madas

Increase 340 by 15% 391

Increase 245 by 18% 289.1

Increase 825 by 34% 1105.5

Decrease 280 by 15% 238

Decrease 345 by 40% 207

Increase 9832 by 16% 11405.12

Increase 398 by 31% 521.38

Decrease 1538 by 5% 1461.1

Decrease 312 by 11% 277.68

Percentage increase & decrease using Multipliers

© T Madas

Practiceon findingthe amount

before aPercentageChangeusing acalculator

© T Madas

What number was increased by 10% to give 121?

110

Amounts Before Percentage Changes

What number was increased by 15% to give 184?

160

What number was increased by 12% to give 252?

225

What number was increased by 27% to give 406.4?

320

What number was decreased by 10% to give 468?

520

What number was decreased by 25% to give 273?

364

What number was decreased by 40% to give 252?

420

What number was decreased by 11% to give 534?

600

© T Madas

What number was increased by 12% to give 140?

125

What number was decreased by 12% to give 484?

550

What number was increased by 17.5% to give 282?

240

What number was decreased by 17.5% to give 660?

800

What number was increased by 5.5% to give 147.7?

140

What number was decreased by 5.5% to give 1701?

1800

What number was increased by 1% to give 343.4?

340

What number was decreased by 1% to give 742.5?

750

Amounts Before Percentage Changes

© T Madas

110% of a number is 121. What is the number?

110

115% of a number is 184. What is the number?

160

112% of a number is 252. What is the number?

225

127% of a number is 406.4. What is the number?

320

90% of a number is 468. What is the number?

520

75% of a number is 273. What is the number?

364

60% of a number is 252. What is the number?

420

89% of a number is 534. What is the number? 600

Amounts Before Percentage Changes

© T Madas

112% of a number is 140. What is the number?

125

88% of a number is 484. What is the number? 550

117.5% of a number is 282. What is the number?

240

87.5% of a number is 700. What is the number? 800

105.5% of a number is 147.7. What is the number?

140

94.5% of a number is 1701. What is the number?

1800

101% of a number is 343.4. What is the number?

340

99% of a number is 742.5. What is the number?

750

Amounts Before Percentage Changes

© T Madas

Teston findingthe amount

before aPercentageChangeusing acalculator

© T Madas

What number was increased by 10% to give 121?

110

Amounts Before Percentage Changes

What number was increased by 15% to give 184?

160

What number was increased by 12% to give 252?

225

What number was increased by 27% to give 406.4?

320

What number was decreased by 10% to give 468?

520

What number was decreased by 25% to give 273?

364

What number was decreased by 40% to give 252?

420

What number was decreased by 11% to give 534?

600

© T Madas

What number was increased by 12% to give 140?

125

What number was decreased by 12% to give 484?

550

What number was increased by 17.5% to give 282?

240

What number was decreased by 17.5% to give 660?

800

What number was increased by 5.5% to give 147.7?

140

What number was decreased by 5.5% to give 1701?

1800

What number was increased by 1% to give 343.4?

340

What number was decreased by 1% to give 742.5?

750

Amounts Before Percentage Changes

© T Madas

110% of a number is 121. What is the number?

110

115% of a number is 184. What is the number?

160

112% of a number is 252. What is the number?

225

127% of a number is 406.4. What is the number?

320

90% of a number is 468. What is the number?

520

75% of a number is 273. What is the number?

364

60% of a number is 252. What is the number?

420

89% of a number is 534. What is the number? 600

Amounts Before Percentage Changes

© T Madas

112% of a number is 140. What is the number?

125

88% of a number is 484. What is the number? 550

117.5% of a number is 282. What is the number?

240

87.5% of a number is 700. What is the number? 800

105.5% of a number is 147.7. What is the number?

140

94.5% of a number is 1701. What is the number?

1800

101% of a number is 343.4. What is the number?

340

99% of a number is 742.5. What is the number?

750

Amounts Before Percentage Changes

© T Madas