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
- 1.30 × 15 =
- 2.55 × 15 =
- 3.46 × 15 =
- 4.29 × 15 =
- 5.59 × 15 =
- 6.52 × 15 =
- 7.29 × 15 =
- 8.23 × 15 =
- 9.28 × 15 =
- 10.56 × 15 =
- 11.61 × 15 =
- 12.8 × 15 =
- 13.58 × 15 =
- 14.10 × 15 =
- 15.28 × 15 =
- 16.54 × 15 =
- 17.27 × 15 =
- 18.25 × 15 =
- 19.8 × 15 =
- 20.21 × 15 =
- 21.4 × 15 =
- 22.22 × 15 =
- 23.52 × 15 =
- 24.22 × 15 =
- 25.38 × 15 =
- 26.11 × 15 =
- 27.64 × 15 =
- 28.32 × 15 =
- 29.6 × 15 =
- 30.29 × 15 =
- 31.49 × 15 =
- 32.28 × 15 =
- 33.48 × 15 =
- 34.14 × 15 =
- 35.38 × 15 =
- 36.49 × 15 =
- 37.27 × 15 =
- 38.19 × 15 =
- 39.52 × 15 =
- 40.53 × 15 =
Answer key
- 450
- 825
- 690
- 435
- 885
- 780
- 435
- 345
- 420
- 840
- 915
- 120
- 870
- 150
- 420
- 810
- 405
- 375
- 120
- 315
- 60
- 330
- 780
- 330
- 570
- 165
- 960
- 480
- 90
- 435
- 735
- 420
- 720
- 210
- 570
- 735
- 405
- 285
- 780
- 795
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths