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 The answer to a question is 45 centimetres, and the answer box is marked cm. What should be typed into the box?
Show worked solution
Just the number: 45.
2 The NAPLAN numeracy test has about 40 questions and 50 minutes. Write the number of minutes, and how many seconds that gives for each question.
Show worked solution
50 minutes; 3 000 ÷ 40 = 75 seconds each.
3 132 books are packed 10 to a box. How many boxes are needed?
Show worked solution
14 boxes.
Level 2 · Core
4 Which of these flags has exactly two lines of symmetry?
Show worked solution
A square has 4 lines and an isosceles triangle has 1; a rhombus with unequal diagonals has 2, and so does the rectangle — but the rhombus drawn here is a square. A — a 3 by 2 rectangle: one across, one down, exactly two.
5 90 children travel in buses holding 24 each. Write how many buses are full, and how many buses are needed altogether.
Show worked solution
3 full buses; the 18 left over need one more, so 4 buses altogether.
6 A pen costs 85c. Three pens cost how many cents?
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255 cents.
Level 3 · Challenge
7 A question asks: "How many boxes are needed?" 132 books are packed 10 to a box.1 The division gives 13 remainder 2.
2 The answer is 13 boxes.
3 The answer is 14 boxes.
Which statements are correct?
2 The answer is 13 boxes.
3 The answer is 14 boxes.
Which statements are correct?
Show worked solution
132 ÷ 10 = 13 r 2 (1 ✓). The leftovers need a box, so 14, not 13 (3 ✓, 2 ✗). 1 and 3.
8 A spinner is spun once. Write how many sections it has, and how many of them are shaded.
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5 sections, of which 2 are shaded.
9 A square is divided into 100 equal small squares and 36 of them are shaded. How many small squares are NOT shaded?
Show worked solution
100 − 36 = 64.