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 =
- 2.16 × 15 =
- 3.35 × 15 =
- 4.58 × 15 =
- 5.9 × 15 =
- 6.26 × 15 =
- 7.27 × 15 =
- 8.61 × 15 =
- 9.33 × 15 =
- 10.47 × 15 =
- 11.20 × 15 =
- 12.59 × 15 =
- 13.11 × 15 =
- 14.14 × 15 =
- 15.42 × 15 =
- 16.32 × 15 =
- 17.12 × 15 =
- 18.64 × 15 =
- 19.4 × 15 =
- 20.10 × 15 =
- 21.35 × 15 =
- 22.11 × 15 =
- 23.18 × 15 =
- 24.4 × 15 =
- 25.4 × 15 =
- 26.9 × 15 =
- 27.56 × 15 =
- 28.40 × 15 =
- 29.29 × 15 =
- 30.18 × 15 =
- 31.57 × 15 =
- 32.37 × 15 =
- 33.12 × 15 =
- 34.50 × 15 =
- 35.34 × 15 =
- 36.18 × 15 =
- 37.13 × 15 =
- 38.64 × 15 =
- 39.40 × 15 =
- 40.18 × 15 =
Answer key
- 360
- 240
- 525
- 870
- 135
- 390
- 405
- 915
- 495
- 705
- 300
- 885
- 165
- 210
- 630
- 480
- 180
- 960
- 60
- 150
- 525
- 165
- 270
- 60
- 60
- 135
- 840
- 600
- 435
- 270
- 855
- 555
- 180
- 750
- 510
- 270
- 195
- 960
- 600
- 270
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths