Addition and Subtraction Facts
Addition:  https://quizlet.com/218330014/addition-facts-flash-cards/
Subtraction:  https://quizlet.com/142105181/subtraction-facts-flash-cards/

10's Facts
https://quizlet.com/234764653/10s-flash-cards/?new
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2's Facts
https://quizlet.com/_3vrw09
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5's Facts
https://quizlet.com/_3vrzsg
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3's Facts
https://quizlet.com/_2wraec
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9's Facts
https://quizlet.com/_3vs10k
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December Mix Review
https://quizlet.com/_2xc5ii

4's Facts
https://quizlet.com/_2xw3sb
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6's Facts
https://quizlet.com/_2zjif5
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11's Facts
https://quizlet.com/_319e4e
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​7's Facts
https://quizlet.com/_356bja
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​8's Facts
https://quizlet.com/_36zxvh
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​12's Facts
https://quizlet.com/_38c3hj
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FIRST FACTS CHALLENGE: TBD