Multiply 2-Digit Numbers Review

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number. For example, 4 multiplied by 3 (4 x 3) means adding 4 three times (4 + 4 + 4).

Front

What is a 2-digit number?

Back

A 2-digit number is a number that has two digits, ranging from 10 to 99.

Front

How do you estimate the product of two numbers?

Back

To estimate the product, round each number to the nearest ten or hundred and then multiply the rounded numbers.

Front

What is the product of 12 and 18?

Back

The product of 12 and 18 is 216.

Front

How do you find the total cost of renting an item?

Back

To find the total cost, multiply the daily rental rate by the number of days rented.

Front

What is the formula for finding the total number of seats in a section?

Back

Total seats = Number of rows x Seats per row.

Front

If a concert hall has 24 rows of 28 seats, how many seats are there?

Back

Total seats = 24 rows x 28 seats/row = 672 seats.

Front

What is the total cost of buying multiple items?

Back

Total cost = Number of items x Cost per item.

Front

If 52 shirts cost $28 each, what is the total cost?

Back

Total cost = 52 shirts x $28/shirt = $1,456.

Front

What is the best estimate for 52 x 67?

Back

The best estimate is 50 x 70 = 3,500.