Arrays and Odd and Even

Front

What is an even number?

Back

An even number is a whole number that can be divided by 2 without a remainder. Examples: 0, 2, 4, 6, 8.

Front

What is an odd number?

Back

An odd number is a whole number that cannot be divided by 2 evenly. Examples: 1, 3, 5, 7, 9.

Front

How do you identify an even number?

Back

An even number ends with 0, 2, 4, 6, or 8.

Front

How do you identify an odd number?

Back

An odd number ends with 1, 3, 5, 7, or 9.

Front

What is an array in math?

Back

An array is a way to arrange objects in rows and columns. For example, 3 rows of 4 objects each.

Front

If there are 3 rows of 6 children, how many children are there in total?

Back

18 children (3 rows x 6 children = 18).

Front

What is repeated addition?

Back

Repeated addition is adding the same number multiple times. For example, 3 + 3 + 3 = 9.

Front

How can you express 4 groups of 2 using repeated addition?

Back

2 + 2 + 2 + 2 = 8.

Front

What is the sum of 5 + 5 + 5?

Back

15.

Front

What is the sum of 3 + 3 + 3 + 3 + 3?

Back

15.