Strategy Showdown Worksheet Yomer
Math Practice 3-Digit × 2-Digit Operations
Strategy Showdown Worksheet
Name:
Date:
Class:
Score:
Strategy Toolbox Select one strategy for each problem and show all your work
1. Area / Box Model Decompose place values into boxes
2. Partial Products Multiply by place values and sum
3. Standard Algorithm Multiply ones, tens, regroup & add
1 342 × 24
Estimate:
Strategy: Box Model Partial Products Standard Alg.
Final Product: _
2 518 × 36
Estimate:
Strategy: Box Model Partial Products Standard Alg.
Final Product: _
3 674 × 45
Estimate:
Strategy: Box Model Partial Products Standard Alg.
Final Product: _
Multi-Digit Multiplication Practice Page 1 of 2
Math Practice Part 2: Practice & Strategy Reflection
Strategy Showdown (Continued)
Name:
4 429 × 63
Estimate:
Strategy: Box Model Partial Products Standard Alg.
Final Product: _
5
807 × 52 Zero in tens place!
Estimate:
Strategy: Box Model Partial Products Standard Alg.
Final Product: _
Strategy Reflection & Mathematical Reasoning
A. Efficiency: Which of the three strategies did you feel most confident using today, and why did it work best for you?
B. Reasonableness Check: Look at Problem 5 (807 × 52). Explain how your initial estimate helps prove your exact product is reasonable.
Multi-Digit Multiplication Practice Page 2 of 2
