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
- 1.33 × 15 =
- 2.29 × 15 =
- 3.7 × 15 =
- 4.50 × 15 =
- 5.22 × 15 =
- 6.28 × 15 =
- 7.20 × 15 =
- 8.34 × 15 =
- 9.46 × 15 =
- 10.34 × 15 =
- 11.10 × 15 =
- 12.38 × 15 =
- 13.31 × 15 =
- 14.60 × 15 =
- 15.47 × 15 =
- 16.23 × 15 =
- 17.9 × 15 =
- 18.31 × 15 =
- 19.20 × 15 =
- 20.50 × 15 =
- 21.24 × 15 =
- 22.15 × 15 =
- 23.63 × 15 =
- 24.15 × 15 =
- 25.50 × 15 =
- 26.10 × 15 =
- 27.18 × 15 =
- 28.35 × 15 =
- 29.50 × 15 =
- 30.41 × 15 =
- 31.24 × 15 =
- 32.14 × 15 =
- 33.10 × 15 =
- 34.64 × 15 =
- 35.10 × 15 =
- 36.35 × 15 =
- 37.17 × 15 =
- 38.14 × 15 =
- 39.61 × 15 =
- 40.16 × 15 =
Answer key
- 495
- 435
- 105
- 750
- 330
- 420
- 300
- 510
- 690
- 510
- 150
- 570
- 465
- 900
- 705
- 345
- 135
- 465
- 300
- 750
- 360
- 225
- 945
- 225
- 750
- 150
- 270
- 525
- 750
- 615
- 360
- 210
- 150
- 960
- 150
- 525
- 255
- 210
- 915
- 240
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths