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SubscribeUnlock 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.
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 - Numbers, Operations and Relationships
Standard 3.NOR.1.12.1 - Convert numbers in expanded form into their base ten equivalent.
Included Skills:
Use the following techniques when performing calculations:
• building up and breaking down numbers
• doubling and halving
• number lines
• rounding off in tens
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