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
- 1.31 × 15 =
- 2.62 × 15 =
- 3.29 × 15 =
- 4.53 × 15 =
- 5.34 × 15 =
- 6.14 × 15 =
- 7.25 × 15 =
- 8.36 × 15 =
- 9.45 × 15 =
- 10.59 × 15 =
- 11.49 × 15 =
- 12.46 × 15 =
- 13.59 × 15 =
- 14.20 × 15 =
- 15.14 × 15 =
- 16.23 × 15 =
- 17.21 × 15 =
- 18.24 × 15 =
- 19.34 × 15 =
- 20.61 × 15 =
- 21.18 × 15 =
- 22.13 × 15 =
- 23.29 × 15 =
- 24.55 × 15 =
- 25.5 × 15 =
- 26.52 × 15 =
- 27.8 × 15 =
- 28.14 × 15 =
- 29.39 × 15 =
- 30.17 × 15 =
- 31.63 × 15 =
- 32.8 × 15 =
- 33.17 × 15 =
- 34.17 × 15 =
- 35.57 × 15 =
- 36.31 × 15 =
- 37.61 × 15 =
- 38.20 × 15 =
- 39.55 × 15 =
- 40.32 × 15 =
Answer key
- 465
- 930
- 435
- 795
- 510
- 210
- 375
- 540
- 675
- 885
- 735
- 690
- 885
- 300
- 210
- 345
- 315
- 360
- 510
- 915
- 270
- 195
- 435
- 825
- 75
- 780
- 120
- 210
- 585
- 255
- 945
- 120
- 255
- 255
- 855
- 465
- 915
- 300
- 825
- 480
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths