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4 questions
What is the first step to multiply a 2 digit by a 2 digit number?
Multiply and find the partial products
Add up the partial products
Decompose the numbers
Use a calculator
What visual do we use to calculate the partial products?
Area Model
Perimeter Model
Square Model
Rectangle Model
Decompose the number 82.
8+2
800+20
80+2
8+20
What is the second step to multiply 2 digit numbers by 2 digit numbers?
Decompose the numbers
Multiply to get the partial products
Add the partial products
Subtract the partial products
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