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
- 1.18 × 15 =
- 2.40 × 15 =
- 3.63 × 15 =
- 4.17 × 15 =
- 5.40 × 15 =
- 6.45 × 15 =
- 7.62 × 15 =
- 8.49 × 15 =
- 9.4 × 15 =
- 10.23 × 15 =
- 11.10 × 15 =
- 12.18 × 15 =
- 13.47 × 15 =
- 14.48 × 15 =
- 15.61 × 15 =
- 16.39 × 15 =
- 17.14 × 15 =
- 18.17 × 15 =
- 19.4 × 15 =
- 20.31 × 15 =
- 21.43 × 15 =
- 22.12 × 15 =
- 23.13 × 15 =
- 24.19 × 15 =
- 25.7 × 15 =
- 26.62 × 15 =
- 27.4 × 15 =
- 28.5 × 15 =
- 29.49 × 15 =
- 30.28 × 15 =
- 31.28 × 15 =
- 32.61 × 15 =
- 33.18 × 15 =
- 34.57 × 15 =
- 35.28 × 15 =
- 36.19 × 15 =
- 37.55 × 15 =
- 38.39 × 15 =
- 39.7 × 15 =
- 40.51 × 15 =
Answer key
- 270
- 600
- 945
- 255
- 600
- 675
- 930
- 735
- 60
- 345
- 150
- 270
- 705
- 720
- 915
- 585
- 210
- 255
- 60
- 465
- 645
- 180
- 195
- 285
- 105
- 930
- 60
- 75
- 735
- 420
- 420
- 915
- 270
- 855
- 420
- 285
- 825
- 585
- 105
- 765
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths