Objective: Students will practice a variety of strategies to multiply 2-digit numbers by 10 and multiples of 10, evaluating magnitude estimates and evaluating each step of the multiplication process when multiplying by 2-digits.
- What happens to the magnitude of a product when 2 digits are multiplied by 10?
- What happens to the magnitude of the product when 2 digits are multiplied by a multiple of 10?
- How does this type of multiplication problem differ from multiplying multi-digit numbers by 1-digit?
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