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
- 1.41 × 15 =
- 2.7 × 15 =
- 3.43 × 15 =
- 4.21 × 15 =
- 5.27 × 15 =
- 6.10 × 15 =
- 7.41 × 15 =
- 8.43 × 15 =
- 9.41 × 15 =
- 10.32 × 15 =
- 11.11 × 15 =
- 12.30 × 15 =
- 13.8 × 15 =
- 14.58 × 15 =
- 15.59 × 15 =
- 16.22 × 15 =
- 17.16 × 15 =
- 18.45 × 15 =
- 19.10 × 15 =
- 20.6 × 15 =
- 21.5 × 15 =
- 22.60 × 15 =
- 23.6 × 15 =
- 24.63 × 15 =
- 25.24 × 15 =
- 26.29 × 15 =
- 27.14 × 15 =
- 28.17 × 15 =
- 29.34 × 15 =
- 30.31 × 15 =
- 31.9 × 15 =
- 32.48 × 15 =
- 33.24 × 15 =
- 34.17 × 15 =
- 35.17 × 15 =
- 36.58 × 15 =
- 37.42 × 15 =
- 38.57 × 15 =
- 39.26 × 15 =
- 40.58 × 15 =
Answer key
- 615
- 105
- 645
- 315
- 405
- 150
- 615
- 645
- 615
- 480
- 165
- 450
- 120
- 870
- 885
- 330
- 240
- 675
- 150
- 90
- 75
- 900
- 90
- 945
- 360
- 435
- 210
- 255
- 510
- 465
- 135
- 720
- 360
- 255
- 255
- 870
- 630
- 855
- 390
- 870
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths