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
- 1.19 × 15 =
- 2.5 × 15 =
- 3.13 × 15 =
- 4.7 × 15 =
- 5.50 × 15 =
- 6.5 × 15 =
- 7.9 × 15 =
- 8.54 × 15 =
- 9.9 × 15 =
- 10.10 × 15 =
- 11.32 × 15 =
- 12.48 × 15 =
- 13.12 × 15 =
- 14.27 × 15 =
- 15.25 × 15 =
- 16.22 × 15 =
- 17.44 × 15 =
- 18.43 × 15 =
- 19.58 × 15 =
- 20.62 × 15 =
- 21.9 × 15 =
- 22.10 × 15 =
- 23.40 × 15 =
- 24.25 × 15 =
- 25.12 × 15 =
- 26.21 × 15 =
- 27.30 × 15 =
- 28.14 × 15 =
- 29.28 × 15 =
- 30.24 × 15 =
- 31.34 × 15 =
- 32.14 × 15 =
- 33.52 × 15 =
- 34.56 × 15 =
- 35.20 × 15 =
- 36.62 × 15 =
- 37.17 × 15 =
- 38.38 × 15 =
- 39.54 × 15 =
- 40.50 × 15 =
Answer key
- 285
- 75
- 195
- 105
- 750
- 75
- 135
- 810
- 135
- 150
- 480
- 720
- 180
- 405
- 375
- 330
- 660
- 645
- 870
- 930
- 135
- 150
- 600
- 375
- 180
- 315
- 450
- 210
- 420
- 360
- 510
- 210
- 780
- 840
- 300
- 930
- 255
- 570
- 810
- 750
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths