🟢
EASY
Small numbers
e.g. 7 + 4 12 − 5
3 × 6 20 ÷ 4
🔵
MID
Medium numbers
e.g. 45 + 38 96 − 47
13 × 7 144 ÷ 12
🔴
HARD
Larger numbers
e.g. 347 + 289 612 − 278
24 × 17 576 ÷ 16
⚡
EXCEPTIONAL
BIDMAS order of operations
e.g. 10 + 6 × 3 ÷ 2
5² − (4 + 3) × 2