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
- 1.37 × 15 =
- 2.47 × 15 =
- 3.48 × 15 =
- 4.5 × 15 =
- 5.34 × 15 =
- 6.45 × 15 =
- 7.60 × 15 =
- 8.64 × 15 =
- 9.57 × 15 =
- 10.55 × 15 =
- 11.62 × 15 =
- 12.37 × 15 =
- 13.57 × 15 =
- 14.9 × 15 =
- 15.40 × 15 =
- 16.62 × 15 =
- 17.22 × 15 =
- 18.13 × 15 =
- 19.63 × 15 =
- 20.45 × 15 =
- 21.42 × 15 =
- 22.52 × 15 =
- 23.9 × 15 =
- 24.15 × 15 =
- 25.13 × 15 =
- 26.5 × 15 =
- 27.46 × 15 =
- 28.32 × 15 =
- 29.16 × 15 =
- 30.21 × 15 =
- 31.17 × 15 =
- 32.47 × 15 =
- 33.4 × 15 =
- 34.46 × 15 =
- 35.27 × 15 =
- 36.52 × 15 =
- 37.25 × 15 =
- 38.28 × 15 =
- 39.14 × 15 =
- 40.62 × 15 =
Answer key
- 555
- 705
- 720
- 75
- 510
- 675
- 900
- 960
- 855
- 825
- 930
- 555
- 855
- 135
- 600
- 930
- 330
- 195
- 945
- 675
- 630
- 780
- 135
- 225
- 195
- 75
- 690
- 480
- 240
- 315
- 255
- 705
- 60
- 690
- 405
- 780
- 375
- 420
- 210
- 930
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths