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
- 1.34 × 15 =
- 2.46 × 15 =
- 3.32 × 15 =
- 4.22 × 15 =
- 5.29 × 15 =
- 6.31 × 15 =
- 7.19 × 15 =
- 8.31 × 15 =
- 9.10 × 15 =
- 10.64 × 15 =
- 11.37 × 15 =
- 12.53 × 15 =
- 13.29 × 15 =
- 14.6 × 15 =
- 15.30 × 15 =
- 16.46 × 15 =
- 17.48 × 15 =
- 18.39 × 15 =
- 19.32 × 15 =
- 20.8 × 15 =
- 21.39 × 15 =
- 22.51 × 15 =
- 23.7 × 15 =
- 24.17 × 15 =
- 25.37 × 15 =
- 26.21 × 15 =
- 27.38 × 15 =
- 28.13 × 15 =
- 29.55 × 15 =
- 30.62 × 15 =
- 31.16 × 15 =
- 32.7 × 15 =
- 33.15 × 15 =
- 34.17 × 15 =
- 35.7 × 15 =
- 36.31 × 15 =
- 37.30 × 15 =
- 38.33 × 15 =
- 39.6 × 15 =
- 40.40 × 15 =
Answer key
- 510
- 690
- 480
- 330
- 435
- 465
- 285
- 465
- 150
- 960
- 555
- 795
- 435
- 90
- 450
- 690
- 720
- 585
- 480
- 120
- 585
- 765
- 105
- 255
- 555
- 315
- 570
- 195
- 825
- 930
- 240
- 105
- 225
- 255
- 105
- 465
- 450
- 495
- 90
- 600
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths