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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 1 - Number and Operations in Base Ten
Standard 1.NBT.2.2.b - Understand the place values of tens and ones. Convert numbers into tens and ones to solve.
Included Skills:
Understand that the two digits of a two-digit number represent amounts of tens and ones. The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones.
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