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Activity
NumberNut

Number Nut: Subtracting Through Twenty

For Students Pre-K - 1st Standards
Review or learn the basics of single-digit subtraction in this concise lesson that has related vocabulary and strategies for solving subtraction problems. This lesson includes lots of examples and links for two interactive subtraction...
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Activity
NumberNut

Number Nut: Subtracting More Than Two Values

For Students 3rd - 5th Standards
Get the facts on how to subtract more than two values in this short subtraction lesson. This lesson offers step-by-step examples, suggested strategies and shortcuts, and links to related interactive games. Both games are fast-paced and...
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Interactive
Quia

Quia: Addition Flashcards Sums 0 to 9

For Students K - 1st Standards
This website for young children gives them practice adding sums from 0 to 9 in a flashcard type format.