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
- 1.38 × 15 =
- 2.48 × 15 =
- 3.37 × 15 =
- 4.4 × 15 =
- 5.42 × 15 =
- 6.44 × 15 =
- 7.40 × 15 =
- 8.49 × 15 =
- 9.13 × 15 =
- 10.43 × 15 =
- 11.29 × 15 =
- 12.55 × 15 =
- 13.12 × 15 =
- 14.63 × 15 =
- 15.24 × 15 =
- 16.25 × 15 =
- 17.41 × 15 =
- 18.26 × 15 =
- 19.20 × 15 =
- 20.5 × 15 =
- 21.14 × 15 =
- 22.44 × 15 =
- 23.20 × 15 =
- 24.43 × 15 =
- 25.14 × 15 =
- 26.15 × 15 =
- 27.27 × 15 =
- 28.49 × 15 =
- 29.51 × 15 =
- 30.44 × 15 =
- 31.14 × 15 =
- 32.48 × 15 =
- 33.17 × 15 =
- 34.8 × 15 =
- 35.11 × 15 =
- 36.23 × 15 =
- 37.59 × 15 =
- 38.36 × 15 =
- 39.36 × 15 =
- 40.34 × 15 =
Answer key
- 570
- 720
- 555
- 60
- 630
- 660
- 600
- 735
- 195
- 645
- 435
- 825
- 180
- 945
- 360
- 375
- 615
- 390
- 300
- 75
- 210
- 660
- 300
- 645
- 210
- 225
- 405
- 735
- 765
- 660
- 210
- 720
- 255
- 120
- 165
- 345
- 885
- 540
- 540
- 510
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths