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
- 1.39 × 15 =
- 2.24 × 15 =
- 3.27 × 15 =
- 4.20 × 15 =
- 5.45 × 15 =
- 6.15 × 15 =
- 7.16 × 15 =
- 8.35 × 15 =
- 9.64 × 15 =
- 10.58 × 15 =
- 11.29 × 15 =
- 12.9 × 15 =
- 13.32 × 15 =
- 14.5 × 15 =
- 15.22 × 15 =
- 16.26 × 15 =
- 17.56 × 15 =
- 18.16 × 15 =
- 19.29 × 15 =
- 20.37 × 15 =
- 21.56 × 15 =
- 22.19 × 15 =
- 23.60 × 15 =
- 24.62 × 15 =
- 25.11 × 15 =
- 26.13 × 15 =
- 27.19 × 15 =
- 28.12 × 15 =
- 29.34 × 15 =
- 30.48 × 15 =
- 31.40 × 15 =
- 32.33 × 15 =
- 33.49 × 15 =
- 34.63 × 15 =
- 35.34 × 15 =
- 36.29 × 15 =
- 37.45 × 15 =
- 38.64 × 15 =
- 39.5 × 15 =
- 40.4 × 15 =
Answer key
- 585
- 360
- 405
- 300
- 675
- 225
- 240
- 525
- 960
- 870
- 435
- 135
- 480
- 75
- 330
- 390
- 840
- 240
- 435
- 555
- 840
- 285
- 900
- 930
- 165
- 195
- 285
- 180
- 510
- 720
- 600
- 495
- 735
- 945
- 510
- 435
- 675
- 960
- 75
- 60
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths