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 =
- 2.52 × 15 =
- 3.5 × 15 =
- 4.6 × 15 =
- 5.16 × 15 =
- 6.19 × 15 =
- 7.33 × 15 =
- 8.51 × 15 =
- 9.27 × 15 =
- 10.19 × 15 =
- 11.20 × 15 =
- 12.13 × 15 =
- 13.64 × 15 =
- 14.5 × 15 =
- 15.18 × 15 =
- 16.52 × 15 =
- 17.21 × 15 =
- 18.24 × 15 =
- 19.40 × 15 =
- 20.22 × 15 =
- 21.37 × 15 =
- 22.41 × 15 =
- 23.5 × 15 =
- 24.9 × 15 =
- 25.44 × 15 =
- 26.46 × 15 =
- 27.35 × 15 =
- 28.64 × 15 =
- 29.22 × 15 =
- 30.10 × 15 =
- 31.18 × 15 =
- 32.56 × 15 =
- 33.64 × 15 =
- 34.49 × 15 =
- 35.34 × 15 =
- 36.34 × 15 =
- 37.46 × 15 =
- 38.4 × 15 =
- 39.22 × 15 =
- 40.29 × 15 =
Answer key
- 915
- 780
- 75
- 90
- 240
- 285
- 495
- 765
- 405
- 285
- 300
- 195
- 960
- 75
- 270
- 780
- 315
- 360
- 600
- 330
- 555
- 615
- 75
- 135
- 660
- 690
- 525
- 960
- 330
- 150
- 270
- 840
- 960
- 735
- 510
- 510
- 690
- 60
- 330
- 435
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths