3.OA.9 Review

Front

What is counting by 10's?

Back

Counting by 10's means adding 10 to the previous number, like 10, 20, 30, 40, 50.

Front

What is a pattern in numbers?

Back

A pattern in numbers is a sequence that follows a specific rule, like adding or subtracting a certain number.

Front

What does it mean when the ones digit increases by 1?

Back

It means that each number in the sequence is one more than the previous number, like 1, 2, 3, 4.

Front

What happens when you multiply an even number by another number?

Back

The result is always an even number.

Front

What is an odd number?

Back

An odd number is a number that cannot be divided into two equal parts, like 1, 3, 5.

Front

What is an even number?

Back

An even number is a number that can be divided into two equal parts, like 2, 4, 6.

Front

What is the result of multiplying 3 by an even number?

Back

The result can be either even or odd, depending on the even number.

Front

What is the result of multiplying 3 by an odd number?

Back

The result is always an odd number.

Front

What does it mean to count by 2's?

Back

Counting by 2's means adding 2 to the previous number, like 2, 4, 6, 8.

Front

What is the pattern in the sequence 10, 20, 30, 40, 50?

Back

The pattern is counting by 10's.