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
- 1.32 × 15 =
- 2.59 × 15 =
- 3.13 × 15 =
- 4.64 × 15 =
- 5.55 × 15 =
- 6.28 × 15 =
- 7.44 × 15 =
- 8.58 × 15 =
- 9.51 × 15 =
- 10.47 × 15 =
- 11.14 × 15 =
- 12.36 × 15 =
- 13.15 × 15 =
- 14.5 × 15 =
- 15.11 × 15 =
- 16.8 × 15 =
- 17.48 × 15 =
- 18.21 × 15 =
- 19.6 × 15 =
- 20.50 × 15 =
- 21.28 × 15 =
- 22.17 × 15 =
- 23.52 × 15 =
- 24.33 × 15 =
- 25.38 × 15 =
- 26.58 × 15 =
- 27.40 × 15 =
- 28.51 × 15 =
- 29.37 × 15 =
- 30.31 × 15 =
- 31.44 × 15 =
- 32.21 × 15 =
- 33.63 × 15 =
- 34.54 × 15 =
- 35.7 × 15 =
- 36.62 × 15 =
- 37.36 × 15 =
- 38.63 × 15 =
- 39.35 × 15 =
- 40.17 × 15 =
Answer key
- 480
- 885
- 195
- 960
- 825
- 420
- 660
- 870
- 765
- 705
- 210
- 540
- 225
- 75
- 165
- 120
- 720
- 315
- 90
- 750
- 420
- 255
- 780
- 495
- 570
- 870
- 600
- 765
- 555
- 465
- 660
- 315
- 945
- 810
- 105
- 930
- 540
- 945
- 525
- 255
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths