___________
Maths
Understanding multiplicative relationships: percentages and proportionality
Starter quiz
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Give to class
40% of 120 is
______
.
'48' ✓
22% of 520 is
______
.
'114.4' ✓
31% of 440 is
______
.
'136.4' ✓
Which of the following calculations is equivalent to 49% of 200?
0.49 × 200 ✓
49 × 200
100 − 2 ✓
100 − 20
Match each calculation with the equivalent percentage statement.
0.12 × 560
⇔
12% of 560 ✓
0.21 × 560
⇔
21% of 560 ✓
0.012 × 560
⇔
1.2% of 560 ✓
0.021 × 560
⇔
2.1% of 560 ✓
19% of 840 is
______
.
'159.6' ✓
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