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
- 1.6 × 15 =
- 2.13 × 15 =
- 3.46 × 15 =
- 4.37 × 15 =
- 5.19 × 15 =
- 6.9 × 15 =
- 7.44 × 15 =
- 8.27 × 15 =
- 9.61 × 15 =
- 10.32 × 15 =
- 11.38 × 15 =
- 12.14 × 15 =
- 13.28 × 15 =
- 14.19 × 15 =
- 15.23 × 15 =
- 16.9 × 15 =
- 17.63 × 15 =
- 18.6 × 15 =
- 19.17 × 15 =
- 20.40 × 15 =
- 21.35 × 15 =
- 22.61 × 15 =
- 23.56 × 15 =
- 24.6 × 15 =
- 25.20 × 15 =
- 26.59 × 15 =
- 27.54 × 15 =
- 28.59 × 15 =
- 29.36 × 15 =
- 30.59 × 15 =
- 31.46 × 15 =
- 32.18 × 15 =
- 33.10 × 15 =
- 34.36 × 15 =
- 35.35 × 15 =
- 36.26 × 15 =
- 37.64 × 15 =
- 38.5 × 15 =
- 39.34 × 15 =
- 40.61 × 15 =
Answer key
- 90
- 195
- 690
- 555
- 285
- 135
- 660
- 405
- 915
- 480
- 570
- 210
- 420
- 285
- 345
- 135
- 945
- 90
- 255
- 600
- 525
- 915
- 840
- 90
- 300
- 885
- 810
- 885
- 540
- 885
- 690
- 270
- 150
- 540
- 525
- 390
- 960
- 75
- 510
- 915
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths