2-Digit × 1-Digit Introduction
Learn to multiply 2-digit numbers by 1-digit numbers
What You'll Learn
- Understand place value in multiplication
- Multiply tens and ones separately
- Combine partial products
📖Breaking Apart Numbers
To multiply 23 × 4, break 23 into 20 + 3. Then: 20 × 4 = 80 and 3 × 4 = 12. Finally: 80 + 12 = 92.
📖The Area Model
You can draw a rectangle to visualize this. The width is 4, the length is 20 + 3. Find the area of each part and add them.
💡
Always multiply the ones digit first, then the tens digit. Keep your columns lined up!
⚠️
This is a big step up from times tables. Take your time and show your work.
Practice Worksheets
2-Digit × 1-Digit Introduction (Set A)
Learn to multiply 2-digit numbers by 1-digit
10 problemsStart
2-Digit × 1-Digit Introduction (Set B)
More 2-digit multiplication practice
10 problemsStart
2-Digit × 1-Digit Introduction (Set C)
Additional 2-digit practice
10 problemsStart
2-Digit × 1-Digit Introduction (Set D)
Keep practicing 2-digit multiplication
10 problemsStart
2-Digit × 1-Digit Introduction (Set E)
Build confidence with 2-digit multiplication
10 problemsStart