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
- 1.43 × 15 =
- 2.52 × 15 =
- 3.45 × 15 =
- 4.44 × 15 =
- 5.50 × 15 =
- 6.34 × 15 =
- 7.57 × 15 =
- 8.54 × 15 =
- 9.15 × 15 =
- 10.22 × 15 =
- 11.7 × 15 =
- 12.5 × 15 =
- 13.36 × 15 =
- 14.24 × 15 =
- 15.19 × 15 =
- 16.27 × 15 =
- 17.30 × 15 =
- 18.31 × 15 =
- 19.21 × 15 =
- 20.48 × 15 =
- 21.6 × 15 =
- 22.27 × 15 =
- 23.47 × 15 =
- 24.19 × 15 =
- 25.16 × 15 =
- 26.8 × 15 =
- 27.59 × 15 =
- 28.29 × 15 =
- 29.48 × 15 =
- 30.7 × 15 =
- 31.5 × 15 =
- 32.17 × 15 =
- 33.12 × 15 =
- 34.37 × 15 =
- 35.64 × 15 =
- 36.47 × 15 =
- 37.12 × 15 =
- 38.36 × 15 =
- 39.45 × 15 =
- 40.13 × 15 =
Answer key
- 645
- 780
- 675
- 660
- 750
- 510
- 855
- 810
- 225
- 330
- 105
- 75
- 540
- 360
- 285
- 405
- 450
- 465
- 315
- 720
- 90
- 405
- 705
- 285
- 240
- 120
- 885
- 435
- 720
- 105
- 75
- 255
- 180
- 555
- 960
- 705
- 180
- 540
- 675
- 195
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths