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 =
- 2.14 × 15 =
- 3.34 × 15 =
- 4.5 × 15 =
- 5.14 × 15 =
- 6.12 × 15 =
- 7.54 × 15 =
- 8.48 × 15 =
- 9.47 × 15 =
- 10.62 × 15 =
- 11.63 × 15 =
- 12.8 × 15 =
- 13.49 × 15 =
- 14.8 × 15 =
- 15.56 × 15 =
- 16.59 × 15 =
- 17.30 × 15 =
- 18.10 × 15 =
- 19.15 × 15 =
- 20.56 × 15 =
- 21.56 × 15 =
- 22.46 × 15 =
- 23.24 × 15 =
- 24.30 × 15 =
- 25.23 × 15 =
- 26.27 × 15 =
- 27.27 × 15 =
- 28.23 × 15 =
- 29.16 × 15 =
- 30.22 × 15 =
- 31.28 × 15 =
- 32.51 × 15 =
- 33.18 × 15 =
- 34.8 × 15 =
- 35.56 × 15 =
- 36.39 × 15 =
- 37.6 × 15 =
- 38.4 × 15 =
- 39.49 × 15 =
- 40.20 × 15 =
Answer key
- 180
- 210
- 510
- 75
- 210
- 180
- 810
- 720
- 705
- 930
- 945
- 120
- 735
- 120
- 840
- 885
- 450
- 150
- 225
- 840
- 840
- 690
- 360
- 450
- 345
- 405
- 405
- 345
- 240
- 330
- 420
- 765
- 270
- 120
- 840
- 585
- 90
- 60
- 735
- 300
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths