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 5% of 200?
Show worked solution
20 ÷ 2 = 10.
2 Find 1% of 600, then 3% of 600.
Show worked solution
600 ÷ 100 = 6; 3 × 6 = 18.
3 What is 15% of 60?
Show worked solution
6 + 3 = 9.
Level 2 · Core
4 A $60 game is 35% off. What is the sale price?
Show worked solution
35% of 60 = 18 + 3 = 21; 60 − 21 = $39.
5 A $50 jacket is 30% off. Give the discount and the sale price, in dollars.
Show worked solution
Discount 3 × 5 = $15; price 50 − 15 = $35.
6 Sam got 34 questions right out of 40. What percentage is that? (Number only.)
Show worked solution
17/20 = 85/100 = 85%.
Level 3 · Challenge
7 Shop A sells a shirt for $80 with 25% off. Shop B sells the same shirt for $90 with 30% off.1 At shop A the shirt costs $60.
2 At shop B the shirt costs $63.
3 Shop B is cheaper.
Which statements are correct?
2 At shop B the shirt costs $63.
3 Shop B is cheaper.
Which statements are correct?
Show worked solution
A: 25% of 80 = 20, pay $60 (1 ✓). B: 30% of 90 = 27, pay $63 (2 ✓). A is cheaper (3 ✗). 1 and 2.
8 Lee scored 18 out of 24. Give the score as a percentage and as a decimal.
Show worked solution
18/24 = 3/4 = 75% = 0.75.
9 A price rose by 20% and is now $72. What was the price before the rise, in dollars?
Show worked solution
120% = 72, so 10% = 6 and 100% = $60.