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
- 1.64 × 15 =
- 2.58 × 15 =
- 3.10 × 15 =
- 4.43 × 15 =
- 5.50 × 15 =
- 6.62 × 15 =
- 7.62 × 15 =
- 8.56 × 15 =
- 9.11 × 15 =
- 10.9 × 15 =
- 11.42 × 15 =
- 12.58 × 15 =
- 13.43 × 15 =
- 14.49 × 15 =
- 15.46 × 15 =
- 16.17 × 15 =
- 17.28 × 15 =
- 18.53 × 15 =
- 19.31 × 15 =
- 20.61 × 15 =
- 21.45 × 15 =
- 22.7 × 15 =
- 23.17 × 15 =
- 24.10 × 15 =
- 25.52 × 15 =
- 26.27 × 15 =
- 27.17 × 15 =
- 28.8 × 15 =
- 29.43 × 15 =
- 30.20 × 15 =
- 31.16 × 15 =
- 32.31 × 15 =
- 33.36 × 15 =
- 34.23 × 15 =
- 35.10 × 15 =
- 36.37 × 15 =
- 37.61 × 15 =
- 38.46 × 15 =
- 39.50 × 15 =
- 40.50 × 15 =
Answer key
- 960
- 870
- 150
- 645
- 750
- 930
- 930
- 840
- 165
- 135
- 630
- 870
- 645
- 735
- 690
- 255
- 420
- 795
- 465
- 915
- 675
- 105
- 255
- 150
- 780
- 405
- 255
- 120
- 645
- 300
- 240
- 465
- 540
- 345
- 150
- 555
- 915
- 690
- 750
- 750
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths