Multiplying 2-Digit by 1-Digit Numbers for 4th Grade

This lesson covers multiplying 2-digit by 1-digit numbers for fourth-grade math. Use the examples and practice below to build confidence and skill.

DETAILED EXPLANATION

Multiply a 2-digit number by a 1-digit number by multiplying the ones first, then the tens, and regrouping if the product in ones is 10 or more.

WORKED EXAMPLES WITH STEP BY STEP SOLUTIONS

Example 1

Multiply 47 × 6.

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Solutions:

Step 1: Apply the concept from the lesson above.

Step 2: Carry out the operation or reasoning.

Answer: 47 × 6: 7×6=42 (write 2, carry 4); 4×6=24, 24+4=28. Answer: 282.

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