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 =
- 2.51 × 15 =
- 3.45 × 15 =
- 4.19 × 15 =
- 5.19 × 15 =
- 6.19 × 15 =
- 7.11 × 15 =
- 8.29 × 15 =
- 9.34 × 15 =
- 10.46 × 15 =
- 11.26 × 15 =
- 12.26 × 15 =
- 13.14 × 15 =
- 14.46 × 15 =
- 15.54 × 15 =
- 16.16 × 15 =
- 17.52 × 15 =
- 18.37 × 15 =
- 19.19 × 15 =
- 20.53 × 15 =
- 21.9 × 15 =
- 22.46 × 15 =
- 23.39 × 15 =
- 24.61 × 15 =
- 25.39 × 15 =
- 26.13 × 15 =
- 27.16 × 15 =
- 28.9 × 15 =
- 29.50 × 15 =
- 30.31 × 15 =
- 31.50 × 15 =
- 32.15 × 15 =
- 33.9 × 15 =
- 34.62 × 15 =
- 35.47 × 15 =
- 36.46 × 15 =
- 37.48 × 15 =
- 38.19 × 15 =
- 39.28 × 15 =
- 40.45 × 15 =
Answer key
- 510
- 765
- 675
- 285
- 285
- 285
- 165
- 435
- 510
- 690
- 390
- 390
- 210
- 690
- 810
- 240
- 780
- 555
- 285
- 795
- 135
- 690
- 585
- 915
- 585
- 195
- 240
- 135
- 750
- 465
- 750
- 225
- 135
- 930
- 705
- 690
- 720
- 285
- 420
- 675
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths