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
- 1.581 × 4 =
- 2.448 × 9 =
- 3.332 × 7 =
- 4.856 × 3 =
- 5.421 × 8 =
- 6.632 × 9 =
- 7.821 × 4 =
- 8.839 × 8 =
- 9.507 × 4 =
- 10.606 × 5 =
- 11.196 × 4 =
- 12.604 × 8 =
- 13.407 × 9 =
- 14.872 × 5 =
- 15.521 × 9 =
- 16.867 × 9 =
- 17.767 × 4 =
- 18.369 × 5 =
- 19.984 × 3 =
- 20.361 × 7 =
- 21.961 × 5 =
- 22.292 × 8 =
- 23.753 × 6 =
- 24.717 × 9 =
- 25.889 × 4 =
- 26.406 × 7 =
- 27.695 × 5 =
- 28.165 × 9 =
- 29.193 × 8 =
- 30.176 × 4 =
- 31.697 × 5 =
- 32.763 × 8 =
- 33.582 × 4 =
- 34.198 × 7 =
- 35.406 × 4 =
- 36.629 × 5 =
- 37.752 × 4 =
- 38.529 × 8 =
- 39.871 × 5 =
- 40.895 × 4 =
Answer key
- 2324
- 4032
- 2324
- 2568
- 3368
- 5688
- 3284
- 6712
- 2028
- 3030
- 784
- 4832
- 3663
- 4360
- 4689
- 7803
- 3068
- 1845
- 2952
- 2527
- 4805
- 2336
- 4518
- 6453
- 3556
- 2842
- 3475
- 1485
- 1544
- 704
- 3485
- 6104
- 2328
- 1386
- 1624
- 3145
- 3008
- 4232
- 4355
- 3580
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths