Repeated Addition

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

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

3X2=6

100

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

3X3=9

100

Convert the multiplication sentence to 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

Convert 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

Convert the multiplication sentence to an array, and solve.
3X5=

3 rows of 5 =15

200

What is multiplication?

Repeated addition.

300

Write the multiplication expression as repeated addition, and solve.
4X5=

5+5+5+5=20
or
4+4+4+4+4=20

300

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

5X5=25

300

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

3X6=18

300

Convert the multiplication sentence to 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

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

6X7=42

400

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

6X5=30

400

Convert the multiplication sentence to 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

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

7X5=35

500

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

4X7=

500

Convert the multiplication sentence to 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.

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