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
- 1.35 × 15 =
- 2.44 × 15 =
- 3.8 × 15 =
- 4.61 × 15 =
- 5.7 × 15 =
- 6.36 × 15 =
- 7.53 × 15 =
- 8.60 × 15 =
- 9.18 × 15 =
- 10.18 × 15 =
- 11.35 × 15 =
- 12.24 × 15 =
- 13.28 × 15 =
- 14.14 × 15 =
- 15.7 × 15 =
- 16.49 × 15 =
- 17.10 × 15 =
- 18.5 × 15 =
- 19.5 × 15 =
- 20.50 × 15 =
- 21.54 × 15 =
- 22.6 × 15 =
- 23.32 × 15 =
- 24.56 × 15 =
- 25.25 × 15 =
- 26.57 × 15 =
- 27.50 × 15 =
- 28.9 × 15 =
- 29.15 × 15 =
- 30.58 × 15 =
- 31.17 × 15 =
- 32.61 × 15 =
- 33.22 × 15 =
- 34.23 × 15 =
- 35.11 × 15 =
- 36.17 × 15 =
- 37.10 × 15 =
- 38.25 × 15 =
- 39.55 × 15 =
- 40.63 × 15 =
Answer key
- 525
- 660
- 120
- 915
- 105
- 540
- 795
- 900
- 270
- 270
- 525
- 360
- 420
- 210
- 105
- 735
- 150
- 75
- 75
- 750
- 810
- 90
- 480
- 840
- 375
- 855
- 750
- 135
- 225
- 870
- 255
- 915
- 330
- 345
- 165
- 255
- 150
- 375
- 825
- 945
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths