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
- 1.14 × 15 =
- 2.43 × 15 =
- 3.12 × 15 =
- 4.63 × 15 =
- 5.31 × 15 =
- 6.13 × 15 =
- 7.56 × 15 =
- 8.56 × 15 =
- 9.18 × 15 =
- 10.22 × 15 =
- 11.49 × 15 =
- 12.15 × 15 =
- 13.37 × 15 =
- 14.11 × 15 =
- 15.14 × 15 =
- 16.21 × 15 =
- 17.18 × 15 =
- 18.55 × 15 =
- 19.5 × 15 =
- 20.59 × 15 =
- 21.30 × 15 =
- 22.4 × 15 =
- 23.19 × 15 =
- 24.5 × 15 =
- 25.58 × 15 =
- 26.25 × 15 =
- 27.12 × 15 =
- 28.41 × 15 =
- 29.29 × 15 =
- 30.48 × 15 =
- 31.30 × 15 =
- 32.15 × 15 =
- 33.9 × 15 =
- 34.58 × 15 =
- 35.31 × 15 =
- 36.18 × 15 =
- 37.6 × 15 =
- 38.12 × 15 =
- 39.54 × 15 =
- 40.50 × 15 =
Answer key
- 210
- 645
- 180
- 945
- 465
- 195
- 840
- 840
- 270
- 330
- 735
- 225
- 555
- 165
- 210
- 315
- 270
- 825
- 75
- 885
- 450
- 60
- 285
- 75
- 870
- 375
- 180
- 615
- 435
- 720
- 450
- 225
- 135
- 870
- 465
- 270
- 90
- 180
- 810
- 750
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths