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
- 1.5 × 15 =
- 2.14 × 15 =
- 3.33 × 15 =
- 4.8 × 15 =
- 5.48 × 15 =
- 6.33 × 15 =
- 7.21 × 15 =
- 8.45 × 15 =
- 9.46 × 15 =
- 10.57 × 15 =
- 11.33 × 15 =
- 12.61 × 15 =
- 13.9 × 15 =
- 14.8 × 15 =
- 15.29 × 15 =
- 16.16 × 15 =
- 17.61 × 15 =
- 18.64 × 15 =
- 19.9 × 15 =
- 20.59 × 15 =
- 21.25 × 15 =
- 22.40 × 15 =
- 23.62 × 15 =
- 24.26 × 15 =
- 25.58 × 15 =
- 26.41 × 15 =
- 27.27 × 15 =
- 28.50 × 15 =
- 29.37 × 15 =
- 30.24 × 15 =
- 31.38 × 15 =
- 32.44 × 15 =
- 33.20 × 15 =
- 34.20 × 15 =
- 35.55 × 15 =
- 36.45 × 15 =
- 37.43 × 15 =
- 38.33 × 15 =
- 39.41 × 15 =
- 40.8 × 15 =
Answer key
- 75
- 210
- 495
- 120
- 720
- 495
- 315
- 675
- 690
- 855
- 495
- 915
- 135
- 120
- 435
- 240
- 915
- 960
- 135
- 885
- 375
- 600
- 930
- 390
- 870
- 615
- 405
- 750
- 555
- 360
- 570
- 660
- 300
- 300
- 825
- 675
- 645
- 495
- 615
- 120
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths