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Decimals

Tenths/hundredths/thousandths, lining up the decimal point for ±, counting places for ×, and shifting both numbers for ÷.

45 / 100 = 0.45
0.45 on a 10×10 grid

Worked Example

2.4 × 0.05

Given: Two decimal factors

  1. 1

    Multiply ignoring points

    24 × 5 = 120

Worked Example

4.5 ÷ 0.15

Given: Decimal divisor

  1. 1

    Shift both ×100

    450 ÷ 15

Timed Game · 6 problems
02:00

Answer 6 problems in 2 min. Timer auto-stops.