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
- 1.52 × 15 =
- 2.59 × 15 =
- 3.42 × 15 =
- 4.52 × 15 =
- 5.63 × 15 =
- 6.36 × 15 =
- 7.14 × 15 =
- 8.43 × 15 =
- 9.64 × 15 =
- 10.35 × 15 =
- 11.62 × 15 =
- 12.28 × 15 =
- 13.33 × 15 =
- 14.11 × 15 =
- 15.21 × 15 =
- 16.20 × 15 =
- 17.52 × 15 =
- 18.23 × 15 =
- 19.19 × 15 =
- 20.55 × 15 =
- 21.51 × 15 =
- 22.19 × 15 =
- 23.58 × 15 =
- 24.8 × 15 =
- 25.18 × 15 =
- 26.21 × 15 =
- 27.63 × 15 =
- 28.14 × 15 =
- 29.12 × 15 =
- 30.29 × 15 =
- 31.8 × 15 =
- 32.29 × 15 =
- 33.18 × 15 =
- 34.38 × 15 =
- 35.16 × 15 =
- 36.9 × 15 =
- 37.39 × 15 =
- 38.23 × 15 =
- 39.32 × 15 =
- 40.52 × 15 =
Answer key
- 780
- 885
- 630
- 780
- 945
- 540
- 210
- 645
- 960
- 525
- 930
- 420
- 495
- 165
- 315
- 300
- 780
- 345
- 285
- 825
- 765
- 285
- 870
- 120
- 270
- 315
- 945
- 210
- 180
- 435
- 120
- 435
- 270
- 570
- 240
- 135
- 585
- 345
- 480
- 780
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths