Using multiplication you can make a "picture" of a
multiplication problem using squares. For example, you can show 2 X 5 using
squares in 2 rows and 5 columns.
If you count the squares by the rows, you have 5 + 5, which is
2 X 5.
If you count the squares by the columns, you have
2 + 2 + 2 + 2 + 2, which is 5 X 2.
You can also show 5 X 2 using rectangles with 5 rows and 2 columns.
Multiplication is a quick way of doing addition. Practice writing multiplication as
repeated addition and repeated addition as multiplication.
Example: 4 X 5 can also be written 5 + 5 + 5 + 5.
And, 4 + 4 + 4 can also be written 3 X 4.
Complete the problems below.
Remember, count how many as in
3 + 3 + 3 + 3 is 4 X 3, not 3 X 4.
7 + 7 can be written as
X
2 + 2 + 2 + 2 can also be written as
X
3 + 3 + 3 can also be written as
X
5 + 5 + 5+ 5 + 5 can be written as
X
6 + 6 + 6 + 6 + 6 + 6 + 6 can be written as
X
4 + 4 + 4 + 4 + 4 + 4 can be written as
X
8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 can be written as
X
5 X 2 can be written as
+
+
+
+
2 X 4 can be written as
+
6 X 3 can be written as
+
+ +
+
+
4 X 7 can be written as
+
+
+
7 X 5 can be written as
+
+
+ +
+
+
9 X 2 can be written as
+
+
+
+
+
+
+
+
3 X 4 can be written as
+
+
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