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
- 1.57 × 15 =
- 2.19 × 15 =
- 3.58 × 15 =
- 4.46 × 15 =
- 5.53 × 15 =
- 6.52 × 15 =
- 7.18 × 15 =
- 8.5 × 15 =
- 9.53 × 15 =
- 10.49 × 15 =
- 11.54 × 15 =
- 12.39 × 15 =
- 13.21 × 15 =
- 14.19 × 15 =
- 15.63 × 15 =
- 16.37 × 15 =
- 17.22 × 15 =
- 18.38 × 15 =
- 19.29 × 15 =
- 20.29 × 15 =
- 21.31 × 15 =
- 22.7 × 15 =
- 23.62 × 15 =
- 24.27 × 15 =
- 25.64 × 15 =
- 26.4 × 15 =
- 27.50 × 15 =
- 28.42 × 15 =
- 29.60 × 15 =
- 30.38 × 15 =
- 31.50 × 15 =
- 32.58 × 15 =
- 33.4 × 15 =
- 34.50 × 15 =
- 35.43 × 15 =
- 36.16 × 15 =
- 37.57 × 15 =
- 38.27 × 15 =
- 39.16 × 15 =
- 40.54 × 15 =
Answer key
- 855
- 285
- 870
- 690
- 795
- 780
- 270
- 75
- 795
- 735
- 810
- 585
- 315
- 285
- 945
- 555
- 330
- 570
- 435
- 435
- 465
- 105
- 930
- 405
- 960
- 60
- 750
- 630
- 900
- 570
- 750
- 870
- 60
- 750
- 645
- 240
- 855
- 405
- 240
- 810
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths