Download 2-Digit by 2-Digit Lattice Lattice Multiplication

Name:
2-Digit by 2-Digit Lattice
Lattice Multiplication
Find 49 x 19
4
0
3
2
9
Answer:
Step 1:
Step 2:
Step 3:
Note:
3
9
0
4
8
6
9
1
1 9
1
49 x 19 = 931
Write the numbers you are multiplying along the top and side of the grid.
Multiply the single digits on the top by the single digits on the side to fill in the squares.
Add diagonally to find your answer.
When adding, you may have to carry double digit sums to the next place.
Solve using lattice multiplication.
a.
Find 34 x 17.
b.
3
0
Find 86 x 39.
4
3
1
7
Answer:
Answer:
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Name:
2-Digit by 2-Digit Lattice
Lattice Multiplication
c.
Find 24 x 56.
d.
Answer:
e.
Find 71 x 80.
Answer:
f.
Answer:
g.
Find 13 x 83.
Answer:
Find 53 x 29.
Find 83 x 27.
Answer:
h.
Find 41 x 46.
Answer:
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ANSWER KEY
2-Digit by 2-Digit Lattice
Lattice Multiplication
Find 49 x 19
4
0
3
2
9
Answer:
Step 1:
Step 2:
Step 3:
Note:
3
9
0
4
8
6
1
9
1 9
1
49 x 19 = 931
Write the numbers you are multiplying along the top and side of the grid.
Multiply the single digits on the top by the single digits on the side to fill in the squares.
Add diagonally to find your answer.
When adding, you may have to carry double digit sums to the next place.
Solve using lattice multiplication.
a.
Find 34 x 17.
b.
3
0
2
5
7
Answer:
4
0
3
2
1
4
Find 86 x 39.
8
2
1
7
8 7
8
34 x 17 = 578
1
3
1
3
Answer:
5
6
1
4
5
2
8
3
4 9
4
86 x 39 = 3,354
Super Teacher Worksheets - www.superteacherworksheets.com
ANSWER KEY
2-Digit by 2-Digit Lattice
Lattice Multiplication
c.
Find 24 x 56.
2
1
1
1
3
e.
7
5
2
0
1
0
7
Answer:
0
0
f.
8
3
h.
4
8
13 x 83 = 1,079
8
Answer:
2
6
6
2
1 7
1
4
1
2
1
7 9
83 x 27 = 2,241
8
9
3
0
6
4
Find 41 x 46.
9 3
2
53 x 29 = 1,537
5
Answer:
2
6
7
0 0
2
0
3
1
1
3
0
5
8
8
2
0
5
Find 83 x 27.
1
3
2
1
Answer:
0
0
1
4
71 x 80 = 5,680
Find 13 x 83.
1
4 6
1
1
0
6
8
Answer:
g.
2
5
1
4
0
6
2
Find 53 x 29.
5
0
24 x 56 = 1,344
Find 71 x 80.
5
0
4
Answer:
4
2
d.
8
1
0
6
0
4
4
4
6 6
6
41 x 46 = 1,886
Super Teacher Worksheets - www.superteacherworksheets.com