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
- 1.46 × 15 =
- 2.17 × 15 =
- 3.27 × 15 =
- 4.47 × 15 =
- 5.20 × 15 =
- 6.9 × 15 =
- 7.55 × 15 =
- 8.64 × 15 =
- 9.22 × 15 =
- 10.13 × 15 =
- 11.50 × 15 =
- 12.51 × 15 =
- 13.62 × 15 =
- 14.30 × 15 =
- 15.50 × 15 =
- 16.13 × 15 =
- 17.4 × 15 =
- 18.41 × 15 =
- 19.17 × 15 =
- 20.56 × 15 =
- 21.45 × 15 =
- 22.54 × 15 =
- 23.46 × 15 =
- 24.44 × 15 =
- 25.15 × 15 =
- 26.63 × 15 =
- 27.7 × 15 =
- 28.62 × 15 =
- 29.31 × 15 =
- 30.36 × 15 =
- 31.14 × 15 =
- 32.31 × 15 =
- 33.19 × 15 =
- 34.7 × 15 =
- 35.12 × 15 =
- 36.42 × 15 =
- 37.8 × 15 =
- 38.63 × 15 =
- 39.14 × 15 =
- 40.46 × 15 =
Answer key
- 690
- 255
- 405
- 705
- 300
- 135
- 825
- 960
- 330
- 195
- 750
- 765
- 930
- 450
- 750
- 195
- 60
- 615
- 255
- 840
- 675
- 810
- 690
- 660
- 225
- 945
- 105
- 930
- 465
- 540
- 210
- 465
- 285
- 105
- 180
- 630
- 120
- 945
- 210
- 690
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths