Percentages Recap

1
Percentages Recap
2
Calculating Percentages
Method 1
Method 2
Caluclate percentages in your head by dividing
them up into ones you know.
Caluclate percentages using a calculator by
turning the percentage into a decimal.
Eg, 29 of 85 10 of 85 8.5 30 of 85 8.5
3 25.5 1 of 85 0.85 29 25.5 0.85
24.65
Eg, 29 of 85
24.65
3

• Now try some questions without using a
  calculator. (Method 1.)

4
32.85
59.13
10.95
12.78
80.30
13.87
10.22
56.94
5

• Now try some questions using a calculator.
  (Method two.)

6
Questions

• Medium
• 30 of 500
• 76 of 200
• 55 of 120
• 81 of 240
• 35 of 80
• 45 of 60
• 95 of 130
• 19 of 300

• Difficult
• 42 of 500
• 63 of 400
• 31 of 800
• 59 of 700
• 22 of 900
• 48 of 650
• 76 of 850
• 94 of 250

• Easy
• 15 of 200
• 26 of 400
• 5 of 700
• 20 of 50
• 60 of 140
• 40 of 30
• 15 of 60
• 45 of 80

150 152 66 194.4 28 27 123.5 57
210 252 248 413 198 312 646 235
30 104 35 10 84 12 9 36