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
- 1.21 × 15 =
- 2.14 × 15 =
- 3.39 × 15 =
- 4.35 × 15 =
- 5.31 × 15 =
- 6.38 × 15 =
- 7.5 × 15 =
- 8.6 × 15 =
- 9.26 × 15 =
- 10.39 × 15 =
- 11.24 × 15 =
- 12.8 × 15 =
- 13.54 × 15 =
- 14.55 × 15 =
- 15.33 × 15 =
- 16.63 × 15 =
- 17.10 × 15 =
- 18.64 × 15 =
- 19.46 × 15 =
- 20.31 × 15 =
- 21.21 × 15 =
- 22.14 × 15 =
- 23.18 × 15 =
- 24.5 × 15 =
- 25.58 × 15 =
- 26.4 × 15 =
- 27.20 × 15 =
- 28.60 × 15 =
- 29.43 × 15 =
- 30.33 × 15 =
- 31.53 × 15 =
- 32.14 × 15 =
- 33.20 × 15 =
- 34.43 × 15 =
- 35.58 × 15 =
- 36.55 × 15 =
- 37.12 × 15 =
- 38.60 × 15 =
- 39.10 × 15 =
- 40.6 × 15 =
Answer key
- 315
- 210
- 585
- 525
- 465
- 570
- 75
- 90
- 390
- 585
- 360
- 120
- 810
- 825
- 495
- 945
- 150
- 960
- 690
- 465
- 315
- 210
- 270
- 75
- 870
- 60
- 300
- 900
- 645
- 495
- 795
- 210
- 300
- 645
- 870
- 825
- 180
- 900
- 150
- 90
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths