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
- 1.52 × 15 =
- 2.61 × 15 =
- 3.37 × 15 =
- 4.23 × 15 =
- 5.42 × 15 =
- 6.16 × 15 =
- 7.51 × 15 =
- 8.36 × 15 =
- 9.10 × 15 =
- 10.41 × 15 =
- 11.39 × 15 =
- 12.14 × 15 =
- 13.62 × 15 =
- 14.45 × 15 =
- 15.14 × 15 =
- 16.33 × 15 =
- 17.10 × 15 =
- 18.6 × 15 =
- 19.48 × 15 =
- 20.52 × 15 =
- 21.18 × 15 =
- 22.53 × 15 =
- 23.20 × 15 =
- 24.47 × 15 =
- 25.10 × 15 =
- 26.12 × 15 =
- 27.32 × 15 =
- 28.54 × 15 =
- 29.28 × 15 =
- 30.26 × 15 =
- 31.28 × 15 =
- 32.46 × 15 =
- 33.43 × 15 =
- 34.35 × 15 =
- 35.12 × 15 =
- 36.63 × 15 =
- 37.21 × 15 =
- 38.45 × 15 =
- 39.23 × 15 =
- 40.33 × 15 =
Answer key
- 780
- 915
- 555
- 345
- 630
- 240
- 765
- 540
- 150
- 615
- 585
- 210
- 930
- 675
- 210
- 495
- 150
- 90
- 720
- 780
- 270
- 795
- 300
- 705
- 150
- 180
- 480
- 810
- 420
- 390
- 420
- 690
- 645
- 525
- 180
- 945
- 315
- 675
- 345
- 495
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths