Multiplicative Thinking and Operations · Operations
Operational Properties and Mental Math
Applying the distributive and associative properties to simplify multi digit arithmetic.
Key Questions
- 1How does breaking a large number into smaller parts make multiplication easier?
- 2Why does the order of factors not change the product but the order of terms in division does change the quotient?
- 3How can we prove that our mental math strategy is accurate without using a calculator?
Ontario Curriculum Expectations
ON: Number - Grade 4ON: Algebra - Grade 4
Grade: Grade 4
Subject: Mathematics
Unit: Multiplicative Thinking and Operations
Period: Operations
Suggested Methodologies
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