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
1 499 + 234 = ?
Show worked solution
500 + 234 − 1 = 733.
2 702 − 698 = ?
Show worked solution
Count up: 698 → 702 is 4.
3 4 × 27 = ?
Show worked solution
4 × 20 + 4 × 7 = 80 + 28 = 108.
Level 2 · Core
4 8 × 25 = ?
Show worked solution
8 × 100 ÷ 4 = 200.
5 132 ÷ 6 = ?
Show worked solution
(120 + 12) ÷ 6 = 20 + 2 = 22.
6 3 books cost $27. How much do 7 books cost?
Show worked solution
One book $9 → 7 × 9 = $63.
Level 3 · Challenge
7 6 stickers cost 84c. How much do 9 stickers cost? (in cents)
Show worked solution
One sticker 14c → 9 × 14 = 126c.
8 Rice: 500 g for $2 or 2 kg for $6. Cheapest price for exactly 3 kg?
Show worked solution
2 kg ($6) + two 500 g ($4) = $10. (Six 500 g would be $12.)
9 12 cows eat 36 bales a week; 6 horses eat 24 bales a week. How many bales for 6 cows and 3 horses?
Show worked solution
1 cow = 3 bales, 1 horse = 4 bales → 6×3 + 3×4 = 18 + 12 = 30.