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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 - The Number System
Standard 3.NS.1.10 - Analyze and identify the property of multiplication shown in the equation.
Included Skills:
Students will be expected to apply mental mathematics strategies and number properties to develop quick recall of basic addition facts to 18 and related basic subtraction facts.
• Performance Indicators
- N10.01 Describe a mental mathematics strategy that could be used to determine a given basic addition fact up to 9 + 9.
- N10.02 Explain how the commutative (order-doesn’t-matter) property and the identity (no-changewith-zero) property can assist in addition fact learning.
- N10.03 Describe a mental mathematics strategy that could be used to determine a given basic subtraction fact with minuends up to 18 and subtrahends up to 9.
- N10.04 Recognize which facts could be determined by a given strategy.
- N10.05 Quickly recall basic addition facts to 18 and related subtraction facts in a variety of contexts
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