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
- 1.37 × 15 =
- 2.5 × 15 =
- 3.35 × 15 =
- 4.42 × 15 =
- 5.51 × 15 =
- 6.17 × 15 =
- 7.9 × 15 =
- 8.6 × 15 =
- 9.41 × 15 =
- 10.29 × 15 =
- 11.31 × 15 =
- 12.56 × 15 =
- 13.5 × 15 =
- 14.39 × 15 =
- 15.13 × 15 =
- 16.5 × 15 =
- 17.37 × 15 =
- 18.60 × 15 =
- 19.15 × 15 =
- 20.27 × 15 =
- 21.40 × 15 =
- 22.26 × 15 =
- 23.44 × 15 =
- 24.44 × 15 =
- 25.36 × 15 =
- 26.9 × 15 =
- 27.38 × 15 =
- 28.18 × 15 =
- 29.16 × 15 =
- 30.6 × 15 =
- 31.31 × 15 =
- 32.25 × 15 =
- 33.7 × 15 =
- 34.43 × 15 =
- 35.63 × 15 =
- 36.9 × 15 =
- 37.34 × 15 =
- 38.40 × 15 =
- 39.14 × 15 =
- 40.40 × 15 =
Answer key
- 555
- 75
- 525
- 630
- 765
- 255
- 135
- 90
- 615
- 435
- 465
- 840
- 75
- 585
- 195
- 75
- 555
- 900
- 225
- 405
- 600
- 390
- 660
- 660
- 540
- 135
- 570
- 270
- 240
- 90
- 465
- 375
- 105
- 645
- 945
- 135
- 510
- 600
- 210
- 600
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths