2 & 3 Digit by 2 Digit Multiplication

Front

What is multiplication?

Back

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

Front

What does it mean to multiply a 2-digit number by a 2-digit number?

Back

It means to take a number that has two digits and multiply it by another number that also has two digits, such as 23 x 45.

Front

How do you estimate the product of two 2-digit numbers?

Back

Round each number to the nearest ten and then multiply the rounded numbers. For example, to estimate 23 x 45, round to 20 x 50 = 1000.

Front

What is the product of 25 and 30?

Back

750

Front

How can you break down a multiplication problem?

Back

You can use the distributive property to break down a multiplication problem. For example, 23 x 45 can be broken down into (20 x 45) + (3 x 45).

Front

What is the area of a rectangle with a length of 12 units and a width of 5 units?

Back

60 square units (Area = length x width = 12 x 5).

Front

If a delivery truck travels 278 miles each day, how far does it travel in 25 days?

Back

6,950 miles (278 x 25 = 6,950).

Front

A school has 45 classrooms with 27 students in each. How many students are there in total?

Back

1,215 students (45 x 27 = 1,215).

Front

Maria used 3,510 sheets of paper last year. If she uses 7 times as much this year, how much will she use?

Back

24,570 sheets (3,510 x 7 = 24,570).

Front

Micah answered 121 math questions each week for 36 weeks. How many questions did he complete in total?

Back

4,356 questions (121 x 36 = 4,356).