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
- 1.61 × 15 =
- 2.33 × 15 =
- 3.38 × 15 =
- 4.63 × 15 =
- 5.54 × 15 =
- 6.9 × 15 =
- 7.47 × 15 =
- 8.55 × 15 =
- 9.49 × 15 =
- 10.38 × 15 =
- 11.18 × 15 =
- 12.11 × 15 =
- 13.40 × 15 =
- 14.45 × 15 =
- 15.16 × 15 =
- 16.43 × 15 =
- 17.15 × 15 =
- 18.54 × 15 =
- 19.39 × 15 =
- 20.35 × 15 =
- 21.49 × 15 =
- 22.31 × 15 =
- 23.33 × 15 =
- 24.18 × 15 =
- 25.25 × 15 =
- 26.47 × 15 =
- 27.15 × 15 =
- 28.23 × 15 =
- 29.19 × 15 =
- 30.24 × 15 =
- 31.20 × 15 =
- 32.51 × 15 =
- 33.62 × 15 =
- 34.15 × 15 =
- 35.47 × 15 =
- 36.16 × 15 =
- 37.5 × 15 =
- 38.47 × 15 =
- 39.12 × 15 =
- 40.62 × 15 =
Answer key
- 915
- 495
- 570
- 945
- 810
- 135
- 705
- 825
- 735
- 570
- 270
- 165
- 600
- 675
- 240
- 645
- 225
- 810
- 585
- 525
- 735
- 465
- 495
- 270
- 375
- 705
- 225
- 345
- 285
- 360
- 300
- 765
- 930
- 225
- 705
- 240
- 75
- 705
- 180
- 930
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths