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
- 1.12 × 15 =
- 2.26 × 15 =
- 3.31 × 15 =
- 4.62 × 15 =
- 5.56 × 15 =
- 6.37 × 15 =
- 7.41 × 15 =
- 8.54 × 15 =
- 9.18 × 15 =
- 10.30 × 15 =
- 11.50 × 15 =
- 12.43 × 15 =
- 13.10 × 15 =
- 14.27 × 15 =
- 15.6 × 15 =
- 16.6 × 15 =
- 17.6 × 15 =
- 18.54 × 15 =
- 19.61 × 15 =
- 20.54 × 15 =
- 21.26 × 15 =
- 22.35 × 15 =
- 23.59 × 15 =
- 24.16 × 15 =
- 25.38 × 15 =
- 26.28 × 15 =
- 27.33 × 15 =
- 28.32 × 15 =
- 29.20 × 15 =
- 30.5 × 15 =
- 31.39 × 15 =
- 32.23 × 15 =
- 33.46 × 15 =
- 34.12 × 15 =
- 35.21 × 15 =
- 36.12 × 15 =
- 37.19 × 15 =
- 38.51 × 15 =
- 39.54 × 15 =
- 40.5 × 15 =
Answer key
- 180
- 390
- 465
- 930
- 840
- 555
- 615
- 810
- 270
- 450
- 750
- 645
- 150
- 405
- 90
- 90
- 90
- 810
- 915
- 810
- 390
- 525
- 885
- 240
- 570
- 420
- 495
- 480
- 300
- 75
- 585
- 345
- 690
- 180
- 315
- 180
- 285
- 765
- 810
- 75
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths