Lattice Multiplication - Multiplication Worksheet With Answers Page 2
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2Name
Date
Lattice Multiplication
Lattice multiplication was introduced in Europe by the mathematician Fibonacci during the
1200s. Look at how to use this method to multiply: 358
26.
Create a 2-by-3 lattice.
Multiply each top digit by
Add the diagonals. Begin at
each side digit.
the lower right.
3
5
8
1
1
3
5
8
3
5
8
1
0
1
2
6
0
6
0
1
1
2
2
6
0
6
4
3
1
9
6
0
8
8
4
3
1
6
6
0
8
8
3
0
8
The product is 9,308.
Use lattice multiplication to find each product.
31,171
2,520
1,872
427
73
3.
45
56
156
12
1.
2.
4
5
4
2
7
1
5
6
1
1
1
1
0
0
0
2
2
1
4
2
1
2
5
3
7
1
5
6
0
5
8
4
9
1
1
0
2
3
0
2
1 1
1
2
5
6
2
3
2
0
0
1
2
4
6
8
7
2
2
0
1
7
1
How is lattice multiplication the same as the traditional method you learned? How is it
4.
different?
Sample answer: They are the same because you
multiply, regroup, and add in both; they’re different
because the operations are done in a different order.
Connect It What two factors are multiplied in this lattice?
5.
2
6
7
1
1
2
1
1
0
4
2
4
4
2
0
2
6
4
8
8
4
0
8
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