Lattice multiplication (327 Lattice multiplication (327 x 28) x 28) 3 2 7 2 8
Jan 01, 2016
Lattice multiplication (327 x 28)Lattice multiplication (327 x 28)
3 2 7
2
8
Lattice multiplication (327 x 28)Lattice multiplication (327 x 28)
3 2 7
2
8
Lattice multiplication (327 x 28)Lattice multiplication (327 x 28)
0
6
3 2 7
2
8
Lattice multiplication (327 x 28)Lattice multiplication (327 x 28)
0
6
0
4
3 2 7
2
8
Lattice multiplication (327 x 28)Lattice multiplication (327 x 28)
0
6
0
4
1
4
3 2 7
2
8
Lattice multiplication (327 x 28)Lattice multiplication (327 x 28)
0
6
0
4
1
4
2
4
3 2 7
2
8
Lattice multiplication (327 x 28)Lattice multiplication (327 x 28)
0
6
0
4
1
4
2
4
1
6
3 2 7
2
8
Lattice multiplication (327 x 28)Lattice multiplication (327 x 28)
0
6
0
4
1
4
2
4
1
6
5
6
3 2 7
2
8
Lattice multiplication (327 x 28)Lattice multiplication (327 x 28)
0
6
0
4
1
4
2
4
1
6
5
6
Now add the diagonals
3 2 7
2
8
Lattice multiplication (327 x 28)Lattice multiplication (327 x 28)
0
6
0
4
1
4
2
4
1
6
5
6
6
Now add the diagonals
3 2 7
2
8
Lattice multiplication (327 x 28)Lattice multiplication (327 x 28)
0
6
0
4
1
4
2
4
1
6
5
6
6
6+5+4 = 15
3 2 7
2
8
Lattice multiplication (327 x 28)Lattice multiplication (327 x 28)
0
6
0
4
1
4
2
4
1
6
5
6
65
1
3 2 7
2
8
Lattice multiplication (327 x 28)Lattice multiplication (327 x 28)
0
6
0
4
1
4
2
4
1
6
5
6
65
1
1+1+4+1+4=11
3 2 7
2
8
Lattice multiplication (327 x 28)Lattice multiplication (327 x 28)
0
6
0
4
1
4
2
4
1
6
5
6
65
1
1
1
3 2 7
2
8
Lattice multiplication (327 x 28)Lattice multiplication (327 x 28)
0
6
0
4
1
4
2
4
1
6
5
6
65
1
1
1
1+6+2=9
3 2 7
2
8
Lattice multiplication (327 x 28)Lattice multiplication (327 x 28)
0
6
0
4
1
4
2
4
1
6
5
6
65
1
1
1
9
3 2 7
2
8
Lattice multiplication (327 x 28)Lattice multiplication (327 x 28)
0
6
0
4
1
4
2
4
1
6
5
6
65
1
1
1
90
3 2 7
2
8
Lattice multiplication (327 x 28)Lattice multiplication (327 x 28)
0
6
0
4
1
4
2
4
1
6
5
6
65
1
1
1
90
Now read off the digits according to the diagonal place value columns
3 2 7
2
8
Lattice multiplication (327 x 28)Lattice multiplication (327 x 28)
0
6
0
4
1
4
2
4
1
6
5
6
65
1
1
1
90
6 is in the ones column5 in the tens1 in the hundreds9 in the thousands0 in the ten-thousands
3 2 7
2
8
Lattice multiplication (327 x 28)Lattice multiplication (327 x 28)
0
6
0
4
1
4
2
4
1
6
5
6
65
1
1
1
90
6 is in the ones column5 in the tens1 in the hundreds9 in the thousands0 in the ten-thousands
So 327 x 28 = 9156
3 2 7
2
8
Lattice multiplication (327 x 28)Lattice multiplication (327 x 28)
0
6
0
4
1
4
2
4
1
6
5
6
65
1
1
1
90
Now calculate 327 x 28 by another method.Can you see how your method is similar to this one?
Lattice multiplication (327 x 28)Lattice multiplication (327 x 28)
0
6
0
4
1
4
2
4
1
6
5
6
65
1
1
1
90
Did you write out all 6 partial products separately? (like this)
327x 28 56 1602400 140 40060009156
Lattice multiplication (327 x 28)Lattice multiplication (327 x 28)
0
6
0
4
1
4
2
4
1
6
5
6
65
1
1
1
90
Did you write out all 6 partial products separately? (like this) Or did you use a condensed version? (like this)
327x 28 56 1602400 140 40060009156
327x 28261665409156
Lattice multiplication (327 x 28)Lattice multiplication (327 x 28)
0
6
0
4
1
4
2
4
1
6
5
6
65
1
1
1
90
Did you write out all 6 partial products separately? (like this) Or did you use a condensed version? (like this) Challenge: see if you can find each of the 6 partial products in the lattice multiplication!
327x 28 56 1602400 140 40060009156
327x 28261665409156