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
- 1.38 × 15 =
- 2.31 × 15 =
- 3.7 × 15 =
- 4.39 × 15 =
- 5.14 × 15 =
- 6.26 × 15 =
- 7.60 × 15 =
- 8.11 × 15 =
- 9.38 × 15 =
- 10.8 × 15 =
- 11.14 × 15 =
- 12.28 × 15 =
- 13.44 × 15 =
- 14.46 × 15 =
- 15.26 × 15 =
- 16.50 × 15 =
- 17.25 × 15 =
- 18.58 × 15 =
- 19.13 × 15 =
- 20.17 × 15 =
- 21.9 × 15 =
- 22.53 × 15 =
- 23.27 × 15 =
- 24.40 × 15 =
- 25.30 × 15 =
- 26.58 × 15 =
- 27.6 × 15 =
- 28.54 × 15 =
- 29.12 × 15 =
- 30.32 × 15 =
- 31.43 × 15 =
- 32.38 × 15 =
- 33.12 × 15 =
- 34.26 × 15 =
- 35.12 × 15 =
- 36.9 × 15 =
- 37.62 × 15 =
- 38.23 × 15 =
- 39.49 × 15 =
- 40.13 × 15 =
Answer key
- 570
- 465
- 105
- 585
- 210
- 390
- 900
- 165
- 570
- 120
- 210
- 420
- 660
- 690
- 390
- 750
- 375
- 870
- 195
- 255
- 135
- 795
- 405
- 600
- 450
- 870
- 90
- 810
- 180
- 480
- 645
- 570
- 180
- 390
- 180
- 135
- 930
- 345
- 735
- 195
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths