Rounding & Estimation
nine difficulty levels, timed, click to reveal
Difficulty
Round each number correctly — read the wording carefully
1 · Nearest integer, 10, 100 or 1000
2 · Decimal places
3 · Significant figures — big numbers
4 · Significant figures — small numbers
5 · Trickier: carrying through 9s
6 · Estimating
7 · Harder estimating: powers and roots
8 · Estimating: dividing by a decimal
9 · Toughest estimating
Mixed 1–9
🎛 Custom mix per level
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Count per level
L1
L2
L3
L4
L5
L6
L7
L8
L9
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