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
- 1.25 × 15 =
- 2.49 × 15 =
- 3.47 × 15 =
- 4.61 × 15 =
- 5.18 × 15 =
- 6.33 × 15 =
- 7.20 × 15 =
- 8.56 × 15 =
- 9.39 × 15 =
- 10.6 × 15 =
- 11.17 × 15 =
- 12.56 × 15 =
- 13.4 × 15 =
- 14.36 × 15 =
- 15.62 × 15 =
- 16.22 × 15 =
- 17.48 × 15 =
- 18.57 × 15 =
- 19.48 × 15 =
- 20.60 × 15 =
- 21.29 × 15 =
- 22.42 × 15 =
- 23.49 × 15 =
- 24.52 × 15 =
- 25.56 × 15 =
- 26.44 × 15 =
- 27.53 × 15 =
- 28.17 × 15 =
- 29.17 × 15 =
- 30.5 × 15 =
- 31.12 × 15 =
- 32.8 × 15 =
- 33.5 × 15 =
- 34.26 × 15 =
- 35.55 × 15 =
- 36.42 × 15 =
- 37.42 × 15 =
- 38.55 × 15 =
- 39.11 × 15 =
- 40.59 × 15 =
Answer key
- 375
- 735
- 705
- 915
- 270
- 495
- 300
- 840
- 585
- 90
- 255
- 840
- 60
- 540
- 930
- 330
- 720
- 855
- 720
- 900
- 435
- 630
- 735
- 780
- 840
- 660
- 795
- 255
- 255
- 75
- 180
- 120
- 75
- 390
- 825
- 630
- 630
- 825
- 165
- 885
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths