Multiplying by Two-Digit Numbers: Lesson 1

Front

What is multiplication?

Back

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

Front

What is a two-digit number?

Back

A two-digit number is any number from 10 to 99, which consists of two digits. For example, 34 and 57 are two-digit numbers.

Front

What does the term 'product' mean in multiplication?

Back

The product is the result of multiplying two or more numbers together. For example, the product of 6 and 4 is 24.

Front

How do you multiply a two-digit number by a one-digit number?

Back

To multiply a two-digit number by a one-digit number, you can use the distributive property, breaking the two-digit number into tens and ones.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac. It allows you to multiply a number by a sum by distributing the multiplication.

Front

Calculate 40 x 5.

Back

The product of 40 and 5 is 200.

Front

Calculate 57 x 34.

Back

The product of 57 and 34 is 1,938.

Front

Calculate 83 x 74.

Back

The product of 83 and 74 is 6,142.

Front

Calculate 36 x 59.

Back

The product of 36 and 59 is 2,124.

Front

What is a partial product in multiplication?

Back

A partial product is the result of multiplying a single digit of one number by the entire other number, used in the process of long multiplication.