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
- 1.24 × 15 =
- 2.14 × 15 =
- 3.49 × 15 =
- 4.26 × 15 =
- 5.38 × 15 =
- 6.27 × 15 =
- 7.22 × 15 =
- 8.50 × 15 =
- 9.13 × 15 =
- 10.48 × 15 =
- 11.60 × 15 =
- 12.37 × 15 =
- 13.26 × 15 =
- 14.35 × 15 =
- 15.23 × 15 =
- 16.26 × 15 =
- 17.32 × 15 =
- 18.24 × 15 =
- 19.29 × 15 =
- 20.23 × 15 =
- 21.39 × 15 =
- 22.6 × 15 =
- 23.30 × 15 =
- 24.20 × 15 =
- 25.25 × 15 =
- 26.59 × 15 =
- 27.63 × 15 =
- 28.47 × 15 =
- 29.20 × 15 =
- 30.14 × 15 =
- 31.21 × 15 =
- 32.54 × 15 =
- 33.24 × 15 =
- 34.11 × 15 =
- 35.54 × 15 =
- 36.34 × 15 =
- 37.21 × 15 =
- 38.21 × 15 =
- 39.63 × 15 =
- 40.29 × 15 =
Answer key
- 360
- 210
- 735
- 390
- 570
- 405
- 330
- 750
- 195
- 720
- 900
- 555
- 390
- 525
- 345
- 390
- 480
- 360
- 435
- 345
- 585
- 90
- 450
- 300
- 375
- 885
- 945
- 705
- 300
- 210
- 315
- 810
- 360
- 165
- 810
- 510
- 315
- 315
- 945
- 435
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths