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
- 1.29 × 15 =
- 2.51 × 15 =
- 3.38 × 15 =
- 4.16 × 15 =
- 5.43 × 15 =
- 6.23 × 15 =
- 7.35 × 15 =
- 8.8 × 15 =
- 9.42 × 15 =
- 10.36 × 15 =
- 11.14 × 15 =
- 12.44 × 15 =
- 13.29 × 15 =
- 14.52 × 15 =
- 15.8 × 15 =
- 16.7 × 15 =
- 17.35 × 15 =
- 18.6 × 15 =
- 19.59 × 15 =
- 20.52 × 15 =
- 21.31 × 15 =
- 22.32 × 15 =
- 23.26 × 15 =
- 24.33 × 15 =
- 25.41 × 15 =
- 26.46 × 15 =
- 27.60 × 15 =
- 28.60 × 15 =
- 29.36 × 15 =
- 30.21 × 15 =
- 31.31 × 15 =
- 32.60 × 15 =
- 33.40 × 15 =
- 34.23 × 15 =
- 35.39 × 15 =
- 36.24 × 15 =
- 37.30 × 15 =
- 38.21 × 15 =
- 39.5 × 15 =
- 40.40 × 15 =
Answer key
- 435
- 765
- 570
- 240
- 645
- 345
- 525
- 120
- 630
- 540
- 210
- 660
- 435
- 780
- 120
- 105
- 525
- 90
- 885
- 780
- 465
- 480
- 390
- 495
- 615
- 690
- 900
- 900
- 540
- 315
- 465
- 900
- 600
- 345
- 585
- 360
- 450
- 315
- 75
- 600
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths