3-Digit by 1-Digit Multiplication Worksheet
How to do it in your head (Biggest part first): Split the 3-digit number into hundreds, tens and ones. Multiply the hundreds and keep that number in your head. Multiply the tens and add, then multiply the ones and add.
NameDateTime takenScore ___ / 40
- 1.164 × 7 =
- 2.691 × 3 =
- 3.141 × 8 =
- 4.618 × 4 =
- 5.349 × 5 =
- 6.326 × 8 =
- 7.609 × 7 =
- 8.721 × 8 =
- 9.517 × 4 =
- 10.268 × 3 =
- 11.738 × 6 =
- 12.642 × 5 =
- 13.379 × 9 =
- 14.602 × 6 =
- 15.702 × 8 =
- 16.642 × 9 =
- 17.848 × 7 =
- 18.817 × 4 =
- 19.737 × 8 =
- 20.475 × 4 =
- 21.166 × 5 =
- 22.315 × 5 =
- 23.239 × 4 =
- 24.451 × 4 =
- 25.525 × 9 =
- 26.761 × 8 =
- 27.981 × 9 =
- 28.164 × 4 =
- 29.315 × 6 =
- 30.264 × 7 =
- 31.365 × 8 =
- 32.213 × 4 =
- 33.241 × 5 =
- 34.677 × 3 =
- 35.577 × 5 =
- 36.792 × 3 =
- 37.837 × 8 =
- 38.661 × 8 =
- 39.917 × 7 =
- 40.946 × 4 =
Answer key
- 1148
- 2073
- 1128
- 2472
- 1745
- 2608
- 4263
- 5768
- 2068
- 804
- 4428
- 3210
- 3411
- 3612
- 5616
- 5778
- 5936
- 3268
- 5896
- 1900
- 830
- 1575
- 956
- 1804
- 4725
- 6088
- 8829
- 656
- 1890
- 1848
- 2920
- 852
- 1205
- 2031
- 2885
- 2376
- 6696
- 5288
- 6419
- 3784
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths