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
- 1.21 × 15 =
- 2.50 × 15 =
- 3.9 × 15 =
- 4.56 × 15 =
- 5.58 × 15 =
- 6.21 × 15 =
- 7.45 × 15 =
- 8.16 × 15 =
- 9.12 × 15 =
- 10.58 × 15 =
- 11.16 × 15 =
- 12.49 × 15 =
- 13.19 × 15 =
- 14.15 × 15 =
- 15.32 × 15 =
- 16.13 × 15 =
- 17.13 × 15 =
- 18.12 × 15 =
- 19.48 × 15 =
- 20.50 × 15 =
- 21.47 × 15 =
- 22.16 × 15 =
- 23.17 × 15 =
- 24.37 × 15 =
- 25.11 × 15 =
- 26.41 × 15 =
- 27.7 × 15 =
- 28.9 × 15 =
- 29.63 × 15 =
- 30.31 × 15 =
- 31.43 × 15 =
- 32.45 × 15 =
- 33.47 × 15 =
- 34.22 × 15 =
- 35.55 × 15 =
- 36.52 × 15 =
- 37.34 × 15 =
- 38.43 × 15 =
- 39.5 × 15 =
- 40.27 × 15 =
Answer key
- 315
- 750
- 135
- 840
- 870
- 315
- 675
- 240
- 180
- 870
- 240
- 735
- 285
- 225
- 480
- 195
- 195
- 180
- 720
- 750
- 705
- 240
- 255
- 555
- 165
- 615
- 105
- 135
- 945
- 465
- 645
- 675
- 705
- 330
- 825
- 780
- 510
- 645
- 75
- 405
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths