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
- 1.49 × 15 =
- 2.56 × 15 =
- 3.57 × 15 =
- 4.8 × 15 =
- 5.47 × 15 =
- 6.58 × 15 =
- 7.4 × 15 =
- 8.20 × 15 =
- 9.40 × 15 =
- 10.63 × 15 =
- 11.61 × 15 =
- 12.47 × 15 =
- 13.20 × 15 =
- 14.57 × 15 =
- 15.54 × 15 =
- 16.11 × 15 =
- 17.5 × 15 =
- 18.7 × 15 =
- 19.17 × 15 =
- 20.16 × 15 =
- 21.31 × 15 =
- 22.54 × 15 =
- 23.32 × 15 =
- 24.61 × 15 =
- 25.4 × 15 =
- 26.18 × 15 =
- 27.14 × 15 =
- 28.54 × 15 =
- 29.50 × 15 =
- 30.20 × 15 =
- 31.14 × 15 =
- 32.33 × 15 =
- 33.58 × 15 =
- 34.56 × 15 =
- 35.46 × 15 =
- 36.27 × 15 =
- 37.48 × 15 =
- 38.38 × 15 =
- 39.59 × 15 =
- 40.62 × 15 =
Answer key
- 735
- 840
- 855
- 120
- 705
- 870
- 60
- 300
- 600
- 945
- 915
- 705
- 300
- 855
- 810
- 165
- 75
- 105
- 255
- 240
- 465
- 810
- 480
- 915
- 60
- 270
- 210
- 810
- 750
- 300
- 210
- 495
- 870
- 840
- 690
- 405
- 720
- 570
- 885
- 930
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths