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
- 1.50 × 15 =
- 2.18 × 15 =
- 3.22 × 15 =
- 4.19 × 15 =
- 5.27 × 15 =
- 6.37 × 15 =
- 7.48 × 15 =
- 8.50 × 15 =
- 9.27 × 15 =
- 10.47 × 15 =
- 11.5 × 15 =
- 12.42 × 15 =
- 13.9 × 15 =
- 14.18 × 15 =
- 15.39 × 15 =
- 16.54 × 15 =
- 17.25 × 15 =
- 18.46 × 15 =
- 19.61 × 15 =
- 20.20 × 15 =
- 21.37 × 15 =
- 22.28 × 15 =
- 23.52 × 15 =
- 24.7 × 15 =
- 25.23 × 15 =
- 26.41 × 15 =
- 27.4 × 15 =
- 28.5 × 15 =
- 29.8 × 15 =
- 30.50 × 15 =
- 31.62 × 15 =
- 32.29 × 15 =
- 33.44 × 15 =
- 34.17 × 15 =
- 35.64 × 15 =
- 36.49 × 15 =
- 37.63 × 15 =
- 38.52 × 15 =
- 39.38 × 15 =
- 40.61 × 15 =
Answer key
- 750
- 270
- 330
- 285
- 405
- 555
- 720
- 750
- 405
- 705
- 75
- 630
- 135
- 270
- 585
- 810
- 375
- 690
- 915
- 300
- 555
- 420
- 780
- 105
- 345
- 615
- 60
- 75
- 120
- 750
- 930
- 435
- 660
- 255
- 960
- 735
- 945
- 780
- 570
- 915
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths