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
- 1.9 × 15 =
- 2.26 × 15 =
- 3.28 × 15 =
- 4.57 × 15 =
- 5.4 × 15 =
- 6.27 × 15 =
- 7.64 × 15 =
- 8.43 × 15 =
- 9.10 × 15 =
- 10.24 × 15 =
- 11.24 × 15 =
- 12.22 × 15 =
- 13.37 × 15 =
- 14.56 × 15 =
- 15.10 × 15 =
- 16.45 × 15 =
- 17.7 × 15 =
- 18.48 × 15 =
- 19.52 × 15 =
- 20.9 × 15 =
- 21.5 × 15 =
- 22.23 × 15 =
- 23.23 × 15 =
- 24.41 × 15 =
- 25.7 × 15 =
- 26.56 × 15 =
- 27.45 × 15 =
- 28.33 × 15 =
- 29.25 × 15 =
- 30.48 × 15 =
- 31.12 × 15 =
- 32.11 × 15 =
- 33.22 × 15 =
- 34.11 × 15 =
- 35.11 × 15 =
- 36.52 × 15 =
- 37.5 × 15 =
- 38.49 × 15 =
- 39.16 × 15 =
- 40.5 × 15 =
Answer key
- 135
- 390
- 420
- 855
- 60
- 405
- 960
- 645
- 150
- 360
- 360
- 330
- 555
- 840
- 150
- 675
- 105
- 720
- 780
- 135
- 75
- 345
- 345
- 615
- 105
- 840
- 675
- 495
- 375
- 720
- 180
- 165
- 330
- 165
- 165
- 780
- 75
- 735
- 240
- 75
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths