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 Write 5 thousandths as a decimal.
Show worked solution
The thousandths place is the third one along: 0.005.
2 In 3.472, what digit is in the hundredths place?
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Tenths 4, hundredths 7, thousandths 2.
3 Write 0.008 as a fraction in thousandths.
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0.008 is 8/1000.
Level 2 · Core
4 Which is larger: 0.25 or 0.205?
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0.25 is 0.250, and 250 thousandths beats 205, so 0.25 is larger.
5 What is 0.001 more than 0.499?
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0.499 + 0.001 = 0.500, which is 0.5.
6 Write 2.06 with three decimal places.
Show worked solution
2.060 — the extra zero holds the thousandths place without changing the amount.
Level 3 · Challenge
7 Order smallest first: 0.3, 0.303, 0.033 (type like 0.033,0.3,0.303)
Show worked solution
Written with three places they are 0.300, 0.303 and 0.033. Order: 0.033, 0.3, 0.303.
8 A number is halfway between 0.2 and 0.3. What is it?
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0.20 and 0.30 are 10 hundredths apart, so halfway is 5 hundredths on: 0.25.
9 How many thousandths must be added to 0.647 to make 0.65?
Show worked solution
0.65 is 0.650, and 650 − 647 = 3 thousandths (0.003).