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 =
- 2.58 × 15 =
- 3.16 × 15 =
- 4.7 × 15 =
- 5.24 × 15 =
- 6.35 × 15 =
- 7.23 × 15 =
- 8.12 × 15 =
- 9.24 × 15 =
- 10.13 × 15 =
- 11.60 × 15 =
- 12.58 × 15 =
- 13.12 × 15 =
- 14.34 × 15 =
- 15.56 × 15 =
- 16.63 × 15 =
- 17.8 × 15 =
- 18.57 × 15 =
- 19.25 × 15 =
- 20.33 × 15 =
- 21.64 × 15 =
- 22.24 × 15 =
- 23.43 × 15 =
- 24.18 × 15 =
- 25.19 × 15 =
- 26.58 × 15 =
- 27.62 × 15 =
- 28.44 × 15 =
- 29.27 × 15 =
- 30.35 × 15 =
- 31.43 × 15 =
- 32.16 × 15 =
- 33.17 × 15 =
- 34.15 × 15 =
- 35.7 × 15 =
- 36.49 × 15 =
- 37.62 × 15 =
- 38.34 × 15 =
- 39.17 × 15 =
- 40.14 × 15 =
Answer key
- 915
- 870
- 240
- 105
- 360
- 525
- 345
- 180
- 360
- 195
- 900
- 870
- 180
- 510
- 840
- 945
- 120
- 855
- 375
- 495
- 960
- 360
- 645
- 270
- 285
- 870
- 930
- 660
- 405
- 525
- 645
- 240
- 255
- 225
- 105
- 735
- 930
- 510
- 255
- 210
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths