Multiply by 15 Worksheet
The fast method (Ten and half again): Multiply by 10: 46 → 460. Halve that answer: half of 460 is 230. Add the two: 460 + 230 = 690.
NameDateTime takenScore ___ / 40
- 1.46 × 15 =
- 2.13 × 15 =
- 3.56 × 15 =
- 4.45 × 15 =
- 5.19 × 15 =
- 6.10 × 15 =
- 7.9 × 15 =
- 8.19 × 15 =
- 9.10 × 15 =
- 10.62 × 15 =
- 11.5 × 15 =
- 12.63 × 15 =
- 13.10 × 15 =
- 14.42 × 15 =
- 15.28 × 15 =
- 16.62 × 15 =
- 17.50 × 15 =
- 18.64 × 15 =
- 19.20 × 15 =
- 20.16 × 15 =
- 21.29 × 15 =
- 22.42 × 15 =
- 23.58 × 15 =
- 24.39 × 15 =
- 25.19 × 15 =
- 26.29 × 15 =
- 27.15 × 15 =
- 28.42 × 15 =
- 29.40 × 15 =
- 30.11 × 15 =
- 31.56 × 15 =
- 32.61 × 15 =
- 33.63 × 15 =
- 34.15 × 15 =
- 35.18 × 15 =
- 36.34 × 15 =
- 37.6 × 15 =
- 38.7 × 15 =
- 39.7 × 15 =
- 40.11 × 15 =
Answer key
- 690
- 195
- 840
- 675
- 285
- 150
- 135
- 285
- 150
- 930
- 75
- 945
- 150
- 630
- 420
- 930
- 750
- 960
- 300
- 240
- 435
- 630
- 870
- 585
- 285
- 435
- 225
- 630
- 600
- 165
- 840
- 915
- 945
- 225
- 270
- 510
- 90
- 105
- 105
- 165
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths