Online practice for fact families (addition & subtraction)

New in the Math Mammoth online practice section!

Fact families (addition & subtraction)

Fact families is one of the main approaches I've used for addition & subtraction facts in the Math Mammoth curriculum. For example, in the online practice program, you could choose to practice fact families with 6. This means you will get addition & subtraction problems like what you see in the picture below -- and also including missing number problems.


Check it out!

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