Build an area model
~7 min
Decompose each factor by place value, such as 23 as 20 and 3.
Breaking Apart Factors by Place Value
23
20
3
To multiply larger numbers, you can break each factor apart by its place value. For example, the number 23 can be decomposed into 20 and 3.
💡 Always break the number into the value of its digits, not just the digits themselves.