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
- 1.22 × 15 =
- 2.35 × 15 =
- 3.50 × 15 =
- 4.50 × 15 =
- 5.41 × 15 =
- 6.23 × 15 =
- 7.62 × 15 =
- 8.62 × 15 =
- 9.50 × 15 =
- 10.10 × 15 =
- 11.39 × 15 =
- 12.18 × 15 =
- 13.30 × 15 =
- 14.55 × 15 =
- 15.41 × 15 =
- 16.17 × 15 =
- 17.13 × 15 =
- 18.62 × 15 =
- 19.54 × 15 =
- 20.60 × 15 =
- 21.8 × 15 =
- 22.48 × 15 =
- 23.29 × 15 =
- 24.10 × 15 =
- 25.4 × 15 =
- 26.58 × 15 =
- 27.47 × 15 =
- 28.7 × 15 =
- 29.46 × 15 =
- 30.55 × 15 =
- 31.59 × 15 =
- 32.24 × 15 =
- 33.64 × 15 =
- 34.51 × 15 =
- 35.63 × 15 =
- 36.34 × 15 =
- 37.29 × 15 =
- 38.27 × 15 =
- 39.45 × 15 =
- 40.20 × 15 =
Answer key
- 330
- 525
- 750
- 750
- 615
- 345
- 930
- 930
- 750
- 150
- 585
- 270
- 450
- 825
- 615
- 255
- 195
- 930
- 810
- 900
- 120
- 720
- 435
- 150
- 60
- 870
- 705
- 105
- 690
- 825
- 885
- 360
- 960
- 765
- 945
- 510
- 435
- 405
- 675
- 300
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths