Repeated Addition with Arrays

Front

What is repeated addition?

Back

Repeated addition is adding the same number multiple times. For example, 3 + 3 + 3 means adding 3 three times.

Front

How can we represent repeated addition with an array?

Back

An array is a set of objects arranged in rows and columns. Each row can represent one addition in repeated addition.

Front

What is the repeated addition sentence for 4 rows of 2?

Back

2 + 2 + 2 + 2 = 8.

Front

If you have 3 rows of 5, what is the repeated addition sentence?

Back

5 + 5 + 5 = 15.

Front

What does the array 2 rows of 4 look like?

Back

It looks like: [4, 4] This means 4 + 4 = 8.

Front

How do you find the total in repeated addition?

Back

You add all the numbers together. For example, 2 + 2 + 2 = 6.

Front

What is the repeated addition for 5 groups of 3?

Back

3 + 3 + 3 + 3 + 3 = 15.

Front

What is an example of a rectangular array?

Back

An example is 3 rows of 4, which can be written as 4 + 4 + 4 = 12.

Front

How can you check your repeated addition?

Back

You can count the total number of items in the array.

Front

What is the repeated addition for 6 groups of 2?

Back

2 + 2 + 2 + 2 + 2 + 2 = 12.