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
- 1.55 × 15 =
- 2.54 × 15 =
- 3.18 × 15 =
- 4.5 × 15 =
- 5.61 × 15 =
- 6.21 × 15 =
- 7.19 × 15 =
- 8.10 × 15 =
- 9.18 × 15 =
- 10.16 × 15 =
- 11.52 × 15 =
- 12.39 × 15 =
- 13.47 × 15 =
- 14.57 × 15 =
- 15.36 × 15 =
- 16.53 × 15 =
- 17.21 × 15 =
- 18.45 × 15 =
- 19.50 × 15 =
- 20.37 × 15 =
- 21.18 × 15 =
- 22.5 × 15 =
- 23.31 × 15 =
- 24.27 × 15 =
- 25.51 × 15 =
- 26.25 × 15 =
- 27.17 × 15 =
- 28.23 × 15 =
- 29.4 × 15 =
- 30.16 × 15 =
- 31.61 × 15 =
- 32.21 × 15 =
- 33.64 × 15 =
- 34.7 × 15 =
- 35.6 × 15 =
- 36.39 × 15 =
- 37.37 × 15 =
- 38.11 × 15 =
- 39.47 × 15 =
- 40.28 × 15 =
Answer key
- 825
- 810
- 270
- 75
- 915
- 315
- 285
- 150
- 270
- 240
- 780
- 585
- 705
- 855
- 540
- 795
- 315
- 675
- 750
- 555
- 270
- 75
- 465
- 405
- 765
- 375
- 255
- 345
- 60
- 240
- 915
- 315
- 960
- 105
- 90
- 585
- 555
- 165
- 705
- 420
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths