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
- 1.8 × 15 =
- 2.54 × 15 =
- 3.58 × 15 =
- 4.28 × 15 =
- 5.36 × 15 =
- 6.15 × 15 =
- 7.51 × 15 =
- 8.54 × 15 =
- 9.24 × 15 =
- 10.12 × 15 =
- 11.44 × 15 =
- 12.42 × 15 =
- 13.45 × 15 =
- 14.63 × 15 =
- 15.5 × 15 =
- 16.8 × 15 =
- 17.17 × 15 =
- 18.46 × 15 =
- 19.51 × 15 =
- 20.35 × 15 =
- 21.40 × 15 =
- 22.17 × 15 =
- 23.42 × 15 =
- 24.16 × 15 =
- 25.31 × 15 =
- 26.11 × 15 =
- 27.51 × 15 =
- 28.22 × 15 =
- 29.55 × 15 =
- 30.5 × 15 =
- 31.45 × 15 =
- 32.19 × 15 =
- 33.33 × 15 =
- 34.36 × 15 =
- 35.50 × 15 =
- 36.46 × 15 =
- 37.7 × 15 =
- 38.62 × 15 =
- 39.19 × 15 =
- 40.7 × 15 =
Answer key
- 120
- 810
- 870
- 420
- 540
- 225
- 765
- 810
- 360
- 180
- 660
- 630
- 675
- 945
- 75
- 120
- 255
- 690
- 765
- 525
- 600
- 255
- 630
- 240
- 465
- 165
- 765
- 330
- 825
- 75
- 675
- 285
- 495
- 540
- 750
- 690
- 105
- 930
- 285
- 105
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths