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
- 1.54 × 15 =
- 2.19 × 15 =
- 3.38 × 15 =
- 4.39 × 15 =
- 5.40 × 15 =
- 6.17 × 15 =
- 7.22 × 15 =
- 8.41 × 15 =
- 9.52 × 15 =
- 10.13 × 15 =
- 11.15 × 15 =
- 12.30 × 15 =
- 13.40 × 15 =
- 14.23 × 15 =
- 15.51 × 15 =
- 16.42 × 15 =
- 17.22 × 15 =
- 18.51 × 15 =
- 19.21 × 15 =
- 20.37 × 15 =
- 21.13 × 15 =
- 22.22 × 15 =
- 23.56 × 15 =
- 24.38 × 15 =
- 25.54 × 15 =
- 26.10 × 15 =
- 27.33 × 15 =
- 28.17 × 15 =
- 29.62 × 15 =
- 30.58 × 15 =
- 31.4 × 15 =
- 32.35 × 15 =
- 33.46 × 15 =
- 34.16 × 15 =
- 35.58 × 15 =
- 36.14 × 15 =
- 37.19 × 15 =
- 38.47 × 15 =
- 39.43 × 15 =
- 40.57 × 15 =
Answer key
- 810
- 285
- 570
- 585
- 600
- 255
- 330
- 615
- 780
- 195
- 225
- 450
- 600
- 345
- 765
- 630
- 330
- 765
- 315
- 555
- 195
- 330
- 840
- 570
- 810
- 150
- 495
- 255
- 930
- 870
- 60
- 525
- 690
- 240
- 870
- 210
- 285
- 705
- 645
- 855
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths