3.OA.9 Number Patterns

Front

What is a number pattern?

Back

A number pattern is a sequence of numbers that follow a specific rule or formula.

Front

Complete the pattern: 18, 24, 27, 30, ____, _____, _____

Back

33, 36, 39

Front

If Mia practiced for 15 minutes the first month, 20 minutes the second month, and 25 minutes the third month, how many minutes will she practice in the 5th month?

Back

35 minutes

Front

Which sequence shows counting by 3s?

Back

1, 4, 7, 10

Front

Complete the pattern: 10, 20, 30, ____, ____, ____

Back

40, 50, 60

Front

What is the rule for the pattern: 5, 10, 15, 20?

Back

Add 5 to the previous number.

Front

If a number is added to itself, what will the sum be?

Back

The sum will be even.

Front

What is the next number in the pattern: 2, 4, 6, ____, ____?

Back

8, 10

Front

If Michelle practiced 10 minutes the first month, 20 minutes the second month, and 30 minutes the third month, how many minutes will she practice in the 6th month?

Back

60 minutes

Front

What is a conjecture in mathematics?

Back

A conjecture is an educated guess or hypothesis based on observed patterns.