Multiply 2 digit by 2 digit

Front

What is the product of 43 and 57?

Back

2,451

Front

Using the area model, what are the partial products of 23 x 47?

Back

800 + 140 + 120 + 21

Front

If Ms. Taylor bought 32 boxes of smencils with 25 smencils in each box, what is the total number of smencils?

Back

600

Front

What is 49 multiplied by 87?

Back

4,263

Front

What is the first step in multiplying two-digit numbers?

Back

Break each number into tens and ones.

Front

What does the area model help visualize in multiplication?

Back

It helps visualize the partial products.

Front

What is a partial product?

Back

A product obtained by multiplying a part of one number by a part of another.

Front

How do you calculate 23 x 47 using partial products?

Back

(20 + 3) x (40 + 7) = 800 + 140 + 120 + 21.

Front

What is the importance of estimating before multiplying?

Back

It helps check if the final answer is reasonable.

Front

What is the standard algorithm for multiplying two-digit numbers?

Back

Multiply the ones, then the tens, and add the partial products.