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
- 1.21 × 15 =
- 2.15 × 15 =
- 3.53 × 15 =
- 4.56 × 15 =
- 5.27 × 15 =
- 6.44 × 15 =
- 7.10 × 15 =
- 8.42 × 15 =
- 9.19 × 15 =
- 10.32 × 15 =
- 11.14 × 15 =
- 12.36 × 15 =
- 13.47 × 15 =
- 14.18 × 15 =
- 15.56 × 15 =
- 16.4 × 15 =
- 17.64 × 15 =
- 18.29 × 15 =
- 19.34 × 15 =
- 20.35 × 15 =
- 21.10 × 15 =
- 22.5 × 15 =
- 23.61 × 15 =
- 24.22 × 15 =
- 25.18 × 15 =
- 26.7 × 15 =
- 27.25 × 15 =
- 28.34 × 15 =
- 29.12 × 15 =
- 30.6 × 15 =
- 31.46 × 15 =
- 32.17 × 15 =
- 33.32 × 15 =
- 34.12 × 15 =
- 35.16 × 15 =
- 36.19 × 15 =
- 37.19 × 15 =
- 38.12 × 15 =
- 39.21 × 15 =
- 40.28 × 15 =
Answer key
- 315
- 225
- 795
- 840
- 405
- 660
- 150
- 630
- 285
- 480
- 210
- 540
- 705
- 270
- 840
- 60
- 960
- 435
- 510
- 525
- 150
- 75
- 915
- 330
- 270
- 105
- 375
- 510
- 180
- 90
- 690
- 255
- 480
- 180
- 240
- 285
- 285
- 180
- 315
- 420
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths