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
- 1.34 × 15 =
- 2.30 × 15 =
- 3.44 × 15 =
- 4.48 × 15 =
- 5.37 × 15 =
- 6.16 × 15 =
- 7.43 × 15 =
- 8.8 × 15 =
- 9.37 × 15 =
- 10.43 × 15 =
- 11.19 × 15 =
- 12.19 × 15 =
- 13.52 × 15 =
- 14.48 × 15 =
- 15.31 × 15 =
- 16.49 × 15 =
- 17.6 × 15 =
- 18.44 × 15 =
- 19.57 × 15 =
- 20.17 × 15 =
- 21.45 × 15 =
- 22.60 × 15 =
- 23.34 × 15 =
- 24.31 × 15 =
- 25.11 × 15 =
- 26.49 × 15 =
- 27.26 × 15 =
- 28.17 × 15 =
- 29.20 × 15 =
- 30.62 × 15 =
- 31.53 × 15 =
- 32.54 × 15 =
- 33.34 × 15 =
- 34.24 × 15 =
- 35.26 × 15 =
- 36.36 × 15 =
- 37.32 × 15 =
- 38.9 × 15 =
- 39.12 × 15 =
- 40.43 × 15 =
Answer key
- 510
- 450
- 660
- 720
- 555
- 240
- 645
- 120
- 555
- 645
- 285
- 285
- 780
- 720
- 465
- 735
- 90
- 660
- 855
- 255
- 675
- 900
- 510
- 465
- 165
- 735
- 390
- 255
- 300
- 930
- 795
- 810
- 510
- 360
- 390
- 540
- 480
- 135
- 180
- 645
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths