Work through the levels in order. Type your answer and press Check — open the worked solution if you get stuck. Answers like -6, 3/4 or 0.25 are typed exactly as shown.
Level 1 · Warm-up
1 Write 3/5 as a decimal.
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0.6.
2 Which is larger, 0.7 or 0.62? Write the number.
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0.70 versus 0.62 — 7 tenths beats 6 tenths, so 0.7.
3 Write 65% as a decimal.
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0.65.
Level 2 · Core
4 Order 0.7, 3/5, 65% and 0.62 from smallest to largest.
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As decimals: 0.70, 0.60, 0.65, 0.62. Sorted that is 0.60, 0.62, 0.65, 0.70, so 3/5, 0.62, 65%, 0.7.
5 Which is the smallest: 2/5, 0.35 or 38%? Write it in the form given.
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They are 0.4, 0.35 and 0.38, so 0.35 is smallest.
6 Order 3/4, 0.7 and 72% from smallest to largest.
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0.75, 0.70 and 0.72 sort to 0.70, 0.72, 0.75, so 0.7, 72%, 3/4.
Level 3 · Challenge
7 Order 1/8, 0.15 and 12% from smallest to largest.
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0.125, 0.150 and 0.120 sort to 0.120, 0.125, 0.150, so 12%, 1/8, 0.15.
8 Order 0.8, 3/4 and 78% from LARGEST to smallest.
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Largest first: 0.80, 0.78, 0.75, so 0.8, 78%, 3/4. Answering 3/4, 78%, 0.8 means you sorted smallest-first by mistake.
9 Order 2/5, 45% and 0.5 from smallest to largest.
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0.40, 0.45, 0.50, so 2/5, 45%, 0.5.