Percentages Year 5-6 (age 9-11)
Percentages are fractions with a denominator of 100 Percentages are fractions with a denominator of 100. The symbol for percent is %. 74 100 0.74 74%
57 100 0.57 57%
30 100 0.3 30%
Change these decimals to percentages. 0.97 = 97% 0.05 = 5% 0.61 = 61% 0.3 = 30% 0.5 = 50% 0.09 = 9%
Change these fractions to percentages. 42 100 30 100 = 42% = 30% 3 100 8 100 = 3% = 8%
To express fractions as percentages, change them to equivalent fractions with a denominator of 100. I got 17 out of 20 on my Maths test. What was my score as a percentage? 85% x5 1 7 17 20 85 x 5 100 8 5 3 x5
x5 17 20 85 = 85% 100 x5
To express fractions as percentages, change them to equivalent fractions with a denominator of 100. I got 9 out of 10 on my Maths test. What was my score as a percentage? 90% x10 9 10 90 100 x10
x10 9 10 90 = 90% 100 x10
To express fractions as percentages, change them to equivalent fractions with a denominator of 100. I got 3 out of 5 on my Maths test. What was my score as a percentage? 60% x20 2 3 5 60 5 1 0 0 100 x20
x20 3 5 60 = 60% 100 x20
What is ¼ as a percentage? 25% x25 2 5 1 4 25 4 1 0 0 2 100 x25
50% 6% 1 2 50 3 50 6 100 100 x50 x2 x50 x2 What is ½ as a percentage?
Write these percentages as fractions. 47 100 4 100 1 25 47% = 4% = = 70 100 7 10 80 100 8 10 4 5 70% = = 80% = = =
Write these fractions as percentages. 24 100 5 100 = 24% = 5% 8 10 80 3 25 12 = = = = 12% 80% 100 100
Write these percentages as decimals. 72% = 0.72 2% = 0.02 40% = 0.4 12% = 0.12
Write these decimals as percentages. 32% 7% 0.32 = 0.07 = 70% 10% 0.7 = 0.1 =
Answer as a decimal. 78 100 + 0.2 = 0.78 + 0.2 = 0.98 1 4 95% - = 0.95 - 0.25 = 0.7 0.2 + 7% = 0.2 + 0.07 = 0.27
Answer as a percentage. 3 4 + 10% = 75% + 10% = 85% 42 100 0.92 - = 92% - 42% = 50% 0.8 – 5% = 80% - 5% = 75%
Find 25% of 60. 15 1 5 1 4 So we can find 25% by dividing by 4. 25% = 4 6 0 2 Find 25% of 88. 22 2 2 4 8 8
Find 75% of 40. 30 1 3 4 So we can find 75% by dividing by 4, then multiplying by 3. 75% = 4 4 0 10 x 3 = 30 Find 75% of 48. 36 1 2 12 x 3 = 36 4 4 8
Find 10% of 70. 7 1 10 So we can find 10% by dividing by 10. 10% = 70 ÷ 10 = 7 Find 10% of 130. 13 130 ÷ 10 = 13
Find 30% of 70. 21 3 10 So we can find 30% by dividing by 10, then multiplying by 3. 70 ÷ 10 = 7 30% = 7 x 3 = 21 Find 40% of 90. 36 4 10 90 ÷ 10 = 9 40% = 9 x 4 = 36
Find 50% of 24. 12 1 2 So we can find 50% by dividing by 2. 24 ÷ 2 = 12 50% = Find 90% of 50. 45 9 10 50 ÷ 10 = 5 90% = 5 x 9 = 45
Find 37% of 500. 185 37 100 So we can find 37% by dividing by 100, then multiplying by 37. 37% = 3 7 500 ÷ 100 = 5 x 5 1 8 5 3
Find 19% of 800. 152 19 100 So we can find 19% by dividing by 100, then multiplying by 19. 19% = 1 9 800 ÷ 100 = 8 x 8 1 5 2 7
12.5% What is 1/8 as a percentage? x12.5 1 2 . 5 8 1 0 0 2 . 0 4 1 8 12.5 100 x12.5
. . 33.3% 3 3 . 3 3 33.3 3 1 0 0 . 0 What is 1/3 as a percentage? 1 1