Two-Digit Multiplication
Learning Objective
I can multiply a two-digit number by a two-digit number using strategies based on place value and the properties of operations.
Key Concepts
When multiplying 36 x 27, we can first multiply 36 by 7, then multiply 36 by 20, and finally add the two products together.
When multiplying two-digit numbers, it is important to remember place value; for example, in the number 27, the 2 is in the tens place, so it represents 20.
The product of 36 x 27 is 972.
Practice Questions
This lesson includes 12 practice questions to reinforce learning.
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1. What two multiplication problems do we solve before adding to find the answer to 36 x 27?
2. When multiplying 45 x 32, what is the first multiplication problem you should solve?
3. Why do we write a '0' in the ones place when we multiply 36 by 20?
...and 9 more questions
Educational Video
Multiplying: 2 digit numbers | Multiplication and division | 4th grade | Khan Academy
Khan Academy