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 What is 25% of 40?
Show worked solution
40 ÷ 4 = 10.
2 Find 10% of 90, then 20% of 90.
Show worked solution
90 ÷ 10 = 9; 2 × 9 = 18.
3 What is 50% of 46?
Show worked solution
46 ÷ 2 = 23.
Level 2 · Core
4 30% of the 200 students at a school walk to school. How many walk?
Show worked solution
10% of 200 = 20; 30% = 3 × 20 = 60.
5 Find 25% of 120, then 75% of 120.
Show worked solution
120 ÷ 4 = 30; 3 × 30 = 90.
6 What is 5% of 400?
Show worked solution
40 ÷ 2 = 20.
Level 3 · Challenge
7 A pair of shoes costs $60. It is 25% off, and then a further 10% is taken off the new price.1 After the first discount the shoes cost $45.
2 10% of the new price is $4.50.
3 The final price is $40.50.
Which statements are correct?
2 10% of the new price is $4.50.
3 The final price is $40.50.
Which statements are correct?
Show worked solution
25% of 60 = 15, so $45 (1 ✓). 10% of 45 = $4.50 (2 ✓). 45 − 4.50 = $40.50 (3 ✓). 1, 2 and 3.
8 A jacket costs $80 and is 25% off. Give the discount and the price you pay, in dollars.
Show worked solution
Discount 80 ÷ 4 = $20. Price 80 − 20 = $60.
9 10% of a number is 7. What is the number?
Show worked solution
10 × 7 = 70.