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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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Second Class - Number
Standard 2.NS.1.4a - Practice subtracting zero and all from a number. Recognize the similar numbers in subtracting all and zero.
Included Skills:
Operations
- Addition
• develop an understanding of addition by combining or partitioning sets
• explore, develop and apply the commutative, associative and zero properties of addition
• develop and recall mental strategies for addition facts within 20
• construct number sentences and number stories; solve problems involving addition within 99
• add numbers without and with renaming within 99
• explore and discuss repeated addition and group counting
If you notice any problems, please let us know.