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
- 1.12 × 15 =
- 2.7 × 15 =
- 3.11 × 15 =
- 4.9 × 15 =
- 5.26 × 15 =
- 6.63 × 15 =
- 7.61 × 15 =
- 8.51 × 15 =
- 9.34 × 15 =
- 10.40 × 15 =
- 11.36 × 15 =
- 12.59 × 15 =
- 13.19 × 15 =
- 14.50 × 15 =
- 15.52 × 15 =
- 16.50 × 15 =
- 17.13 × 15 =
- 18.34 × 15 =
- 19.56 × 15 =
- 20.12 × 15 =
- 21.48 × 15 =
- 22.6 × 15 =
- 23.8 × 15 =
- 24.14 × 15 =
- 25.53 × 15 =
- 26.34 × 15 =
- 27.64 × 15 =
- 28.32 × 15 =
- 29.30 × 15 =
- 30.45 × 15 =
- 31.9 × 15 =
- 32.42 × 15 =
- 33.39 × 15 =
- 34.21 × 15 =
- 35.26 × 15 =
- 36.59 × 15 =
- 37.38 × 15 =
- 38.22 × 15 =
- 39.51 × 15 =
- 40.27 × 15 =
Answer key
- 180
- 105
- 165
- 135
- 390
- 945
- 915
- 765
- 510
- 600
- 540
- 885
- 285
- 750
- 780
- 750
- 195
- 510
- 840
- 180
- 720
- 90
- 120
- 210
- 795
- 510
- 960
- 480
- 450
- 675
- 135
- 630
- 585
- 315
- 390
- 885
- 570
- 330
- 765
- 405
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths