IXL | Use a rule to complete a number pattern | 5th grade math

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Fill in the missing number in the pattern.

The first number is 15. The rule is to subtract 3.

15, 12, 9,

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$Confetti$

Excellent!

Now entering the Challenge Zone—are you ready?

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IXL's SmartScore is a dynamic measure of progress towards mastery, rather than a percentage grade. It tracks your skill level as you tackle progressively more difficult questions. Consistently answer questions correctly to reach excellence (90), or conquer the Challenge Zone to achieve mastery (100)! Learn more

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Work it out

Not feeling ready yet? This can help:

M.3Add, subtract, multiply, and divide