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
- 1.19 × 15 =
- 2.51 × 15 =
- 3.22 × 15 =
- 4.27 × 15 =
- 5.22 × 15 =
- 6.26 × 15 =
- 7.61 × 15 =
- 8.31 × 15 =
- 9.18 × 15 =
- 10.57 × 15 =
- 11.46 × 15 =
- 12.26 × 15 =
- 13.35 × 15 =
- 14.55 × 15 =
- 15.29 × 15 =
- 16.18 × 15 =
- 17.12 × 15 =
- 18.6 × 15 =
- 19.50 × 15 =
- 20.47 × 15 =
- 21.15 × 15 =
- 22.47 × 15 =
- 23.61 × 15 =
- 24.42 × 15 =
- 25.8 × 15 =
- 26.44 × 15 =
- 27.9 × 15 =
- 28.5 × 15 =
- 29.27 × 15 =
- 30.51 × 15 =
- 31.14 × 15 =
- 32.63 × 15 =
- 33.33 × 15 =
- 34.33 × 15 =
- 35.30 × 15 =
- 36.19 × 15 =
- 37.58 × 15 =
- 38.37 × 15 =
- 39.28 × 15 =
- 40.62 × 15 =
Answer key
- 285
- 765
- 330
- 405
- 330
- 390
- 915
- 465
- 270
- 855
- 690
- 390
- 525
- 825
- 435
- 270
- 180
- 90
- 750
- 705
- 225
- 705
- 915
- 630
- 120
- 660
- 135
- 75
- 405
- 765
- 210
- 945
- 495
- 495
- 450
- 285
- 870
- 555
- 420
- 930
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths