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
- 1.20 × 15 =
- 2.46 × 15 =
- 3.26 × 15 =
- 4.61 × 15 =
- 5.63 × 15 =
- 6.42 × 15 =
- 7.38 × 15 =
- 8.51 × 15 =
- 9.57 × 15 =
- 10.27 × 15 =
- 11.49 × 15 =
- 12.17 × 15 =
- 13.11 × 15 =
- 14.45 × 15 =
- 15.10 × 15 =
- 16.14 × 15 =
- 17.27 × 15 =
- 18.55 × 15 =
- 19.18 × 15 =
- 20.11 × 15 =
- 21.37 × 15 =
- 22.21 × 15 =
- 23.4 × 15 =
- 24.47 × 15 =
- 25.42 × 15 =
- 26.21 × 15 =
- 27.43 × 15 =
- 28.14 × 15 =
- 29.18 × 15 =
- 30.7 × 15 =
- 31.25 × 15 =
- 32.23 × 15 =
- 33.58 × 15 =
- 34.5 × 15 =
- 35.42 × 15 =
- 36.18 × 15 =
- 37.47 × 15 =
- 38.49 × 15 =
- 39.36 × 15 =
- 40.20 × 15 =
Answer key
- 300
- 690
- 390
- 915
- 945
- 630
- 570
- 765
- 855
- 405
- 735
- 255
- 165
- 675
- 150
- 210
- 405
- 825
- 270
- 165
- 555
- 315
- 60
- 705
- 630
- 315
- 645
- 210
- 270
- 105
- 375
- 345
- 870
- 75
- 630
- 270
- 705
- 735
- 540
- 300
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths