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
- 1.28 × 15 =
- 2.32 × 15 =
- 3.6 × 15 =
- 4.11 × 15 =
- 5.42 × 15 =
- 6.17 × 15 =
- 7.11 × 15 =
- 8.59 × 15 =
- 9.19 × 15 =
- 10.55 × 15 =
- 11.58 × 15 =
- 12.38 × 15 =
- 13.23 × 15 =
- 14.39 × 15 =
- 15.44 × 15 =
- 16.19 × 15 =
- 17.19 × 15 =
- 18.50 × 15 =
- 19.11 × 15 =
- 20.31 × 15 =
- 21.52 × 15 =
- 22.26 × 15 =
- 23.49 × 15 =
- 24.22 × 15 =
- 25.50 × 15 =
- 26.21 × 15 =
- 27.33 × 15 =
- 28.24 × 15 =
- 29.29 × 15 =
- 30.51 × 15 =
- 31.22 × 15 =
- 32.23 × 15 =
- 33.19 × 15 =
- 34.43 × 15 =
- 35.54 × 15 =
- 36.5 × 15 =
- 37.25 × 15 =
- 38.4 × 15 =
- 39.35 × 15 =
- 40.27 × 15 =
Answer key
- 420
- 480
- 90
- 165
- 630
- 255
- 165
- 885
- 285
- 825
- 870
- 570
- 345
- 585
- 660
- 285
- 285
- 750
- 165
- 465
- 780
- 390
- 735
- 330
- 750
- 315
- 495
- 360
- 435
- 765
- 330
- 345
- 285
- 645
- 810
- 75
- 375
- 60
- 525
- 405
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths