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
- 1.58 × 15 =
- 2.33 × 15 =
- 3.7 × 15 =
- 4.8 × 15 =
- 5.33 × 15 =
- 6.61 × 15 =
- 7.17 × 15 =
- 8.14 × 15 =
- 9.17 × 15 =
- 10.20 × 15 =
- 11.16 × 15 =
- 12.58 × 15 =
- 13.5 × 15 =
- 14.50 × 15 =
- 15.38 × 15 =
- 16.35 × 15 =
- 17.14 × 15 =
- 18.42 × 15 =
- 19.43 × 15 =
- 20.61 × 15 =
- 21.22 × 15 =
- 22.8 × 15 =
- 23.17 × 15 =
- 24.5 × 15 =
- 25.57 × 15 =
- 26.10 × 15 =
- 27.5 × 15 =
- 28.33 × 15 =
- 29.7 × 15 =
- 30.62 × 15 =
- 31.47 × 15 =
- 32.63 × 15 =
- 33.7 × 15 =
- 34.23 × 15 =
- 35.31 × 15 =
- 36.55 × 15 =
- 37.16 × 15 =
- 38.23 × 15 =
- 39.64 × 15 =
- 40.57 × 15 =
Answer key
- 870
- 495
- 105
- 120
- 495
- 915
- 255
- 210
- 255
- 300
- 240
- 870
- 75
- 750
- 570
- 525
- 210
- 630
- 645
- 915
- 330
- 120
- 255
- 75
- 855
- 150
- 75
- 495
- 105
- 930
- 705
- 945
- 105
- 345
- 465
- 825
- 240
- 345
- 960
- 855
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths