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
- 1.56 × 15 =
- 2.39 × 15 =
- 3.36 × 15 =
- 4.57 × 15 =
- 5.28 × 15 =
- 6.62 × 15 =
- 7.7 × 15 =
- 8.26 × 15 =
- 9.48 × 15 =
- 10.7 × 15 =
- 11.38 × 15 =
- 12.55 × 15 =
- 13.46 × 15 =
- 14.39 × 15 =
- 15.5 × 15 =
- 16.48 × 15 =
- 17.21 × 15 =
- 18.60 × 15 =
- 19.7 × 15 =
- 20.32 × 15 =
- 21.38 × 15 =
- 22.38 × 15 =
- 23.58 × 15 =
- 24.42 × 15 =
- 25.18 × 15 =
- 26.9 × 15 =
- 27.31 × 15 =
- 28.9 × 15 =
- 29.61 × 15 =
- 30.9 × 15 =
- 31.28 × 15 =
- 32.37 × 15 =
- 33.61 × 15 =
- 34.23 × 15 =
- 35.36 × 15 =
- 36.4 × 15 =
- 37.23 × 15 =
- 38.25 × 15 =
- 39.60 × 15 =
- 40.26 × 15 =
Answer key
- 840
- 585
- 540
- 855
- 420
- 930
- 105
- 390
- 720
- 105
- 570
- 825
- 690
- 585
- 75
- 720
- 315
- 900
- 105
- 480
- 570
- 570
- 870
- 630
- 270
- 135
- 465
- 135
- 915
- 135
- 420
- 555
- 915
- 345
- 540
- 60
- 345
- 375
- 900
- 390
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths