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
- 1.60 × 15 =
- 2.60 × 15 =
- 3.54 × 15 =
- 4.63 × 15 =
- 5.44 × 15 =
- 6.37 × 15 =
- 7.39 × 15 =
- 8.30 × 15 =
- 9.60 × 15 =
- 10.4 × 15 =
- 11.61 × 15 =
- 12.41 × 15 =
- 13.36 × 15 =
- 14.51 × 15 =
- 15.11 × 15 =
- 16.58 × 15 =
- 17.58 × 15 =
- 18.41 × 15 =
- 19.48 × 15 =
- 20.46 × 15 =
- 21.42 × 15 =
- 22.5 × 15 =
- 23.61 × 15 =
- 24.9 × 15 =
- 25.30 × 15 =
- 26.62 × 15 =
- 27.26 × 15 =
- 28.7 × 15 =
- 29.20 × 15 =
- 30.24 × 15 =
- 31.19 × 15 =
- 32.50 × 15 =
- 33.56 × 15 =
- 34.48 × 15 =
- 35.27 × 15 =
- 36.7 × 15 =
- 37.27 × 15 =
- 38.37 × 15 =
- 39.33 × 15 =
- 40.4 × 15 =
Answer key
- 900
- 900
- 810
- 945
- 660
- 555
- 585
- 450
- 900
- 60
- 915
- 615
- 540
- 765
- 165
- 870
- 870
- 615
- 720
- 690
- 630
- 75
- 915
- 135
- 450
- 930
- 390
- 105
- 300
- 360
- 285
- 750
- 840
- 720
- 405
- 105
- 405
- 555
- 495
- 60
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths