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
- 1.55 × 15 =
- 2.39 × 15 =
- 3.14 × 15 =
- 4.12 × 15 =
- 5.38 × 15 =
- 6.60 × 15 =
- 7.20 × 15 =
- 8.21 × 15 =
- 9.20 × 15 =
- 10.4 × 15 =
- 11.64 × 15 =
- 12.54 × 15 =
- 13.51 × 15 =
- 14.47 × 15 =
- 15.43 × 15 =
- 16.29 × 15 =
- 17.59 × 15 =
- 18.22 × 15 =
- 19.45 × 15 =
- 20.8 × 15 =
- 21.25 × 15 =
- 22.6 × 15 =
- 23.19 × 15 =
- 24.25 × 15 =
- 25.36 × 15 =
- 26.5 × 15 =
- 27.27 × 15 =
- 28.23 × 15 =
- 29.38 × 15 =
- 30.48 × 15 =
- 31.32 × 15 =
- 32.41 × 15 =
- 33.62 × 15 =
- 34.40 × 15 =
- 35.20 × 15 =
- 36.25 × 15 =
- 37.52 × 15 =
- 38.59 × 15 =
- 39.64 × 15 =
- 40.47 × 15 =
Answer key
- 825
- 585
- 210
- 180
- 570
- 900
- 300
- 315
- 300
- 60
- 960
- 810
- 765
- 705
- 645
- 435
- 885
- 330
- 675
- 120
- 375
- 90
- 285
- 375
- 540
- 75
- 405
- 345
- 570
- 720
- 480
- 615
- 930
- 600
- 300
- 375
- 780
- 885
- 960
- 705
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths