Starter quiz
- Two fractions are __________ if they have the same value.
- equivalent ✓
- improper
- mixed
- proper
-
- 10% of 600 is ______.
- '60' ✓
- 10% of 870 is ______.
- '87' ✓
- 5% of 400 is ______.
- '20' ✓
- 5% of 940 is ______.
- '47' ✓
- Match each percentage calculation to its answer.
- 10% of 50⇔5 ✓
- 10% of 80⇔8 ✓
- 5% of 50⇔2.5 ✓
- 15% of 50⇔7.5 ✓
- 15% of 60⇔9 ✓
- 5% of 60⇔3 ✓
Exit quiz
- Percent comes from the Latin phrase “per centum” meaning “by the __________ .”
- ten
- fifty
- hundred ✓
- thousand
- million
-
The percentage of this grid that is shaded is ______%.- '32' ✓
- What fraction of this grid is shaded? Select your answer in its simplified form.
-
-
-
- ✓
-
- Match each percentage question with the calculation needed to work it out.
- Work out 40% of 800⇔800 ÷ 10 × 4 ✓
- Work out 50% of 800⇔800 ÷ 2 ✓
- Work out 15% of 800⇔80 + 40 ✓
- Work out 30% of 800⇔800 ÷ 10 × 3 ✓
- Work out 25% of 800⇔800 ÷ 4 ✓
- Work out 99% of 800⇔800 − 8 ✓
- Which of the following are valid calculations to work out 55% of 400?
- 400 ÷ 10 × 5 + 40
- 400 ÷ 20 × 11 ✓
- 400 ÷ 10 × 5 + 20 ✓
- 400 ÷ 2 + 20 ✓
- 400 ÷ 55 × 100
-
- 35% of 24 is ______.
- '8.4' ✓
Worksheet
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Presentation
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Video
Lesson Details
Key learning points
- Percent relates to the number of parts per hundred.
- Percentages can be written as a fraction out of 100.
- The equivalence of fractions, decimals and percentages can be used to solve problems.
- Percentages of amounts can be calculated by using known fractions.
Common misconception
When finding 10% we divide by 10, so when finding 5% we divide by 5.
Use a bar model to show the division of 10 means one tenth of the amount. When dividing by 5 it means one fifth has been found.
Keywords
Equivalent fractions - Two fractions are equivalent if they have the same value.
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