Interactive
Scholastic

Scholastic: Math Facts

For Students 3rd - 5th
This one page website from Scholastic offers two math facts games and a secret code idea all to help you remember your math facts.
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Fun Brain

Fun Brain: Number Cracker (Number Series Game)

For Students 2nd - 5th
The Number Cracker needs you to help find a secret code by identifying the missing number in a series.