Equal groups, repeated addition, arrays

Front

What is an even number?

Back

An even number is an integer that is exactly divisible by 2, meaning it has no remainder when divided by 2.

Front

What is an odd number?

Back

An odd number is an integer that is not exactly divisible by 2, meaning it has a remainder of 1 when divided by 2.

Front

What is the sum of two odd numbers?

Back

The sum of two odd numbers is always even.

Front

What is the sum of an even number and an odd number?

Back

The sum of an even number and an odd number is always odd.

Front

What is repeated addition?

Back

Repeated addition is the process of adding the same number multiple times, which is equivalent to multiplication.

Front

How can you represent the number 9 using repeated addition?

Back

You can represent the number 9 using repeated addition as 3 + 3 + 3.

Front

How can you represent the number 8 using repeated addition?

Back

You can represent the number 8 using repeated addition as 2 + 2 + 2 + 2.

Front

What is an array in mathematics?

Back

An array is a systematic arrangement of objects, usually in rows and columns, used to represent multiplication and repeated addition.

Front

How do you determine if a number is even or odd?

Back

To determine if a number is even or odd, check if it is divisible by 2. If it is, it is even; if not, it is odd.

Front

What is the result of 7 + 8?

Back

The result of 7 + 8 is 15, which is an odd number.