Lattice Multiplication Worksheet
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1
2Name: _________________________________________________
Lattice Multiplication
Solve: 345 x 15
3
4
5
0
0
0
3
4
5 1
1
2
2
5
0
5
5
5
1
7
5
Answer:
345 x 15 = 5,175
Step 1: Write the numbers you're multiplying along the top and
side of the grid.
Step 2: Multiply the single digits on the top by the single digits
on the side to fill in the squares.
Step 3: Add diagonally to find your answer.
Note: When adding, you may have to carry double
digit sums to the next place.
Find 456 x 17.
Find 561 x 23.
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5
6
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1
4
7
Answer: ___________________
Answer: ___________________
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