Multiplying Two-Digit Numbers
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Objective
I can multiply two-digit numbers by two-digit numbers using partial products.
Part 1 of 4
Warm-up video
mathantics · 8:24Vetted channel
We don't generate video — this one is by mathantics on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 4
Key concepts
3 concepts
- 1
When multiplying a multi-digit number by another multi-digit number, you multiply each digit of the bottom number by each digit of the top number.
- 2
When multiplying multi-digit numbers, you will have multiple answer lines that need to be added together to get the final answer.
- 3
When you start a new answer line, you need to add a zero as a placeholder, and the number of zeros depends on the place value of the digit you are multiplying by.
Part 3 of 4
Practice
8 questions
What is the first step when multiplying a two-digit number by another two-digit number using partial products?
Why do we sometimes need to 'carry' digits during the multiplication process?
Part 4 of 4
Exit ticket
Quick comprehension check
“Multiply 21 x 13 using partial products. Show each step.”
Sample answer included in the free materials
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