Learn to multiply a one-digit number times a three-digit number.
Look at the following:
4 X 256 = (4 X 6) + (4 X 50) + (4 X 200) = 24 + 200 + 800 = 1,024
Look at the vertical problem below.
2
5
6
X
4
2
4
2
0
0
+
8
0
0
1,
0
2
4
First multiply the ones column, next the tens column, then the hundreds column, and
finally add.
Complete the vertical problems below.
1
4
5
X
3
1
1
2
+
3
1
4
6
X
5
0
0
0
+
0
0
0
4
6
2
X
6
2
6
0
+
4
0
0
2,
2
4
4
3
X
4
1
6
0
+
0
0
,
7
2
3
6
X
7
2
+
0
0
,
6
2
2
3
6
X
8
+
1,
8
8
8
1
7
6
X
9
4
0
+
0
1,
8
4
3
9
4
X
3
2
0
+
0
0
1,
8
4
6
5
X
3
+
1,
3
9
5
3
5
7
X
4
+
,
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