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
- 1.20 × 15 =
- 2.46 × 15 =
- 3.8 × 15 =
- 4.63 × 15 =
- 5.27 × 15 =
- 6.30 × 15 =
- 7.43 × 15 =
- 8.26 × 15 =
- 9.44 × 15 =
- 10.11 × 15 =
- 11.62 × 15 =
- 12.27 × 15 =
- 13.9 × 15 =
- 14.24 × 15 =
- 15.51 × 15 =
- 16.33 × 15 =
- 17.27 × 15 =
- 18.26 × 15 =
- 19.8 × 15 =
- 20.52 × 15 =
- 21.39 × 15 =
- 22.20 × 15 =
- 23.4 × 15 =
- 24.38 × 15 =
- 25.35 × 15 =
- 26.27 × 15 =
- 27.16 × 15 =
- 28.40 × 15 =
- 29.28 × 15 =
- 30.12 × 15 =
- 31.38 × 15 =
- 32.31 × 15 =
- 33.22 × 15 =
- 34.41 × 15 =
- 35.14 × 15 =
- 36.41 × 15 =
- 37.17 × 15 =
- 38.57 × 15 =
- 39.31 × 15 =
- 40.4 × 15 =
Answer key
- 300
- 690
- 120
- 945
- 405
- 450
- 645
- 390
- 660
- 165
- 930
- 405
- 135
- 360
- 765
- 495
- 405
- 390
- 120
- 780
- 585
- 300
- 60
- 570
- 525
- 405
- 240
- 600
- 420
- 180
- 570
- 465
- 330
- 615
- 210
- 615
- 255
- 855
- 465
- 60
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths