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
- 1.33 × 15 =
- 2.63 × 15 =
- 3.52 × 15 =
- 4.14 × 15 =
- 5.32 × 15 =
- 6.43 × 15 =
- 7.34 × 15 =
- 8.25 × 15 =
- 9.27 × 15 =
- 10.40 × 15 =
- 11.25 × 15 =
- 12.49 × 15 =
- 13.16 × 15 =
- 14.55 × 15 =
- 15.60 × 15 =
- 16.25 × 15 =
- 17.59 × 15 =
- 18.39 × 15 =
- 19.5 × 15 =
- 20.23 × 15 =
- 21.44 × 15 =
- 22.47 × 15 =
- 23.64 × 15 =
- 24.15 × 15 =
- 25.32 × 15 =
- 26.14 × 15 =
- 27.21 × 15 =
- 28.25 × 15 =
- 29.6 × 15 =
- 30.25 × 15 =
- 31.51 × 15 =
- 32.33 × 15 =
- 33.7 × 15 =
- 34.49 × 15 =
- 35.11 × 15 =
- 36.28 × 15 =
- 37.28 × 15 =
- 38.50 × 15 =
- 39.51 × 15 =
- 40.62 × 15 =
Answer key
- 495
- 945
- 780
- 210
- 480
- 645
- 510
- 375
- 405
- 600
- 375
- 735
- 240
- 825
- 900
- 375
- 885
- 585
- 75
- 345
- 660
- 705
- 960
- 225
- 480
- 210
- 315
- 375
- 90
- 375
- 765
- 495
- 105
- 735
- 165
- 420
- 420
- 750
- 765
- 930
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths