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The more questions you answer correctly, the more stars you'll unlock!
Each game has 10 questions.
Green box means correct.
Yellow box means incorrect.
Unlock harder levels by getting an average of 80% or higher.
Earn up to 5 stars for each level
The more questions you answer correctly, the more stars you'll unlock!
Each game has 10 questions.
Green box means correct.
Yellow box means incorrect.
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Grade 3 - Computational Fluency
Standard 3.CF.2.1 - Practice subtracting zero and all from a number. Recognize the similar numbers in subtracting all and zero.
Included Skills:
addition and subtraction facts to 20 (emerging computational fluency)
• adding and subtracting of numbers to 20
• demonstrating fluency with math strategies for addition and subtraction (e.g., decomposing, making and bridging 10, related doubles, and commutative property)
• Addition and subtraction are related.
• At the end of Grade 3, most students should be able to recall addition facts to 20.
If you notice any problems, please let us know.