Repeated Addition
Multiplication
Array to Sentence
Sentence to Array
Definitions
100
Write the multiplication expression as repeated addition, and solve. 2X2=
2+2=4
100

Change the repeated addition sentence into a multiplication sentence, and solve. 3+3=

3X2=6

100

Draw the array, and write a multiplication sentence, solve. 3 rows and 3 objects in a row.

3X3=9

100

Draw an array, and solve. 2X4=

2 rows of 4=8

100

What is a product?

The answer to a multiplication problem.

200
Write the multiplication expression as repeated addition, and solve. 3X3=
3+3+3=9
200

Change the repeated addition into a multiplication sentence, and solve. 4+4+4=

4X3=12

200
Draw the array, convert the array to a multiplication sentence, and solve. 2 rows and 4 objects in a row.
2X4=8
200

Draw an array, and solve. 3X5=

3 rows of 5 =15

200

What is multiplication?

equal groups of

300
Write the multiplication expression as repeated addition, and solve. 4X5=
5+5+5+5=20 or 4+4+4+4+4=20
300

Change the repeated addition into a multiplication sentence, and solve. 5+5+5+5+5=

5X5=25

300

Draw the array, write a multiplication sentence, and solve. 3 rows and 6 objects in a row.

3X6=18

300

Draw an array, and solve. 4X6=

4 rows of 6 =24

300

What is a factor?

One of the numbers being multiplied together in a multiplication problem.

400
Write the multiplication expression as repeated addition, and solve. 5X6=
5+5+5+5+5+5=30 or 6+6+6+6+6=30
400

Change the repeated addition into a multiplication sentence, and solve. 6+6+6+6+6+6+6=

6X7=42

400

Draw the array, write a multiplication sentence, and solve. 6 rows and 5 objects in a row.

6X5=30

400

Draw an array, and solve. 6X5=

6 rows of 5 =30

400
What is the commutative property of multiplication?
The factors can be in any order, and you will always find the same product.
500
Write the multiplication expression as repeated addition, and solve. 7X8=
7+7+7+7+7+7+7+7=56 or 8+8+8+8+8+8+8=56
500

Change the repeated addition into a multiplication sentence, and solve. 7+7+7+7+7=

7X5=35

500

Draw the array, write a multiplication sentence, and solve. 4 rows and 7 objects in a row.

4X7=

500

Draw an array, and solve. 7X7=

7 rows of 7 =49

500

When looking at an array, how do you know which factor is which in the multiplication sentence?

The number of rows determine the first factor. The number in each row determines the second factor.