Multiplying 2-Digit by 2-Digit Numbers for 4th Grade
This lesson covers multiplying 2-digit by 2-digit numbers for fourth-grade math. Use the examples and practice below to build confidence and skill.
DETAILED EXPLANATION
To multiply two 2-digit numbers, use the standard algorithm: multiply by the ones digit of the second number, then by the tens digit (writing with a zero in the ones place), then add the two partial products.
WORKED EXAMPLES WITH STEP BY STEP SOLUTIONS
Example 1
Multiply 24 × 13.
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Solutions:
Step 1: Apply the concept from the lesson above.
Step 2: Carry out the operation or reasoning.
Answer: 24×3=72; 24×10=240; 72+240=312.
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