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. A ⭐ Bonus Challenge at the end is extra credit — skip it if the rest was hard work.
Level 1 · Warm-up
1 Which digit is in the hundredths place of 3.257?
Show worked solution
3.257: 2 tenths, 5 hundredths, 7 thousandths.
2 Rename 0.3 as hundredths and as thousandths.
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0.3 = 0.30 = 30 hundredths = 0.300 = 300 thousandths.
3 What is 0.4 + 0.05?
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0.40 + 0.05 = 0.45.
Level 2 · Core
4 Which of these is the largest?
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7020 ten-thousandths is the largest: 0.702.
5 Order 1.05, 1.5 and 1.15, smallest first.
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1.05, 1.15, 1.5.
6 What decimal is exactly halfway between 0.3 and 0.4?
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(0.3 + 0.4) ÷ 2 = 0.35.
Level 3 · Challenge
7 Three statements are made.1 0.1 is greater than 0.08.
2 0.009 is greater than 0.0089.
3 0.07 is greater than 0.08.
Which statements are correct?
2 0.009 is greater than 0.0089.
3 0.07 is greater than 0.08.
Which statements are correct?
Show worked solution
1000 > 800 (1 ✓). 90 > 89 (2 ✓). 700 < 800 (3 ✗). 1 and 2.
8 Name a number with three decimal places between 0.3 and 0.31, and say how many thousandths there are from 0.3 to 0.31.
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0.301 to 0.309 all lie between. From 300 to 310 thousandths is 10.
9 What is 0.5 − 0.045?
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0.500 − 0.045 = 0.455.