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
- 1.50 × 15 =
- 2.51 × 15 =
- 3.51 × 15 =
- 4.31 × 15 =
- 5.17 × 15 =
- 6.52 × 15 =
- 7.50 × 15 =
- 8.44 × 15 =
- 9.4 × 15 =
- 10.36 × 15 =
- 11.32 × 15 =
- 12.43 × 15 =
- 13.37 × 15 =
- 14.62 × 15 =
- 15.62 × 15 =
- 16.63 × 15 =
- 17.36 × 15 =
- 18.40 × 15 =
- 19.5 × 15 =
- 20.16 × 15 =
- 21.21 × 15 =
- 22.54 × 15 =
- 23.29 × 15 =
- 24.45 × 15 =
- 25.63 × 15 =
- 26.61 × 15 =
- 27.48 × 15 =
- 28.6 × 15 =
- 29.62 × 15 =
- 30.31 × 15 =
- 31.33 × 15 =
- 32.28 × 15 =
- 33.63 × 15 =
- 34.12 × 15 =
- 35.37 × 15 =
- 36.44 × 15 =
- 37.20 × 15 =
- 38.62 × 15 =
- 39.40 × 15 =
- 40.27 × 15 =
Answer key
- 750
- 765
- 765
- 465
- 255
- 780
- 750
- 660
- 60
- 540
- 480
- 645
- 555
- 930
- 930
- 945
- 540
- 600
- 75
- 240
- 315
- 810
- 435
- 675
- 945
- 915
- 720
- 90
- 930
- 465
- 495
- 420
- 945
- 180
- 555
- 660
- 300
- 930
- 600
- 405
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths