Topic 4: 2x2 Digit Multiplication

Front

What is 2x2 digit multiplication?

Back

It is the multiplication of two numbers, each having two digits, such as 23 x 45.

Front

How do you estimate the product of two numbers?

Back

Round each number to the nearest ten and then multiply the rounded numbers.

Front

What is the product of 51 and 47?

Back

2,397

Front

What is the product of 70 and 39?

Back

2,730

Front

If Harvey reads 17 pages in one hour, how many pages does he read in 6 hours?

Back

102 pages.

Front

If Regina makes 54 picture frames each week, how many frames does she make in 20 weeks?

Back

1,080 frames.

Front

What is the first step in multiplying two 2-digit numbers?

Back

Multiply the ones place of both numbers.

Front

What is the second step in multiplying two 2-digit numbers?

Back

Multiply the tens place of the first number by the ones place of the second number.

Front

What is the third step in multiplying two 2-digit numbers?

Back

Multiply the ones place of the first number by the tens place of the second number.

Front

What is the fourth step in multiplying two 2-digit numbers?

Back

Multiply the tens place of both numbers.