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
- 1.24 × 15 =
- 2.61 × 15 =
- 3.56 × 15 =
- 4.59 × 15 =
- 5.26 × 15 =
- 6.52 × 15 =
- 7.29 × 15 =
- 8.58 × 15 =
- 9.55 × 15 =
- 10.44 × 15 =
- 11.43 × 15 =
- 12.60 × 15 =
- 13.44 × 15 =
- 14.31 × 15 =
- 15.14 × 15 =
- 16.54 × 15 =
- 17.64 × 15 =
- 18.25 × 15 =
- 19.31 × 15 =
- 20.46 × 15 =
- 21.10 × 15 =
- 22.41 × 15 =
- 23.48 × 15 =
- 24.28 × 15 =
- 25.25 × 15 =
- 26.7 × 15 =
- 27.39 × 15 =
- 28.23 × 15 =
- 29.45 × 15 =
- 30.34 × 15 =
- 31.8 × 15 =
- 32.42 × 15 =
- 33.24 × 15 =
- 34.56 × 15 =
- 35.10 × 15 =
- 36.23 × 15 =
- 37.50 × 15 =
- 38.18 × 15 =
- 39.4 × 15 =
- 40.20 × 15 =
Answer key
- 360
- 915
- 840
- 885
- 390
- 780
- 435
- 870
- 825
- 660
- 645
- 900
- 660
- 465
- 210
- 810
- 960
- 375
- 465
- 690
- 150
- 615
- 720
- 420
- 375
- 105
- 585
- 345
- 675
- 510
- 120
- 630
- 360
- 840
- 150
- 345
- 750
- 270
- 60
- 300
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths