Chapter 4 Multiplication

Front

What is multiplication?

Back

Multiplication is a mathematical operation where a number is added to itself a certain number of times. For example, 3 x 4 means adding 3 four times: 3 + 3 + 3 + 3 = 12.

Front

What does the symbol 'x' represent in math?

Back

The symbol 'x' represents multiplication. For example, in the equation 5 x 2, it means 5 multiplied by 2.

Front

What is the product of 5 x 9?

Back

The product of 5 x 9 is 45.

Front

Which equation is not correct: 7 + 7 + 7 = 21, 25 / 5 = 5, 8 x 7 = 54, 6 x 12 = 72?

Back

The incorrect equation is 8 x 7 = 54.

Front

What is the missing number in the sequence: 8, 16, 24, ___, 40, 48?

Back

The missing number is 32.

Front

What is 72 divided by 8?

Back

72 divided by 8 equals 9.

Front

What is the missing number in the equation: 4 × 9 = ?

Back

4 × 9 = 36.

Front

What is a factor in multiplication?

Back

A factor is a number that is multiplied by another number to get a product. For example, in 3 x 4, both 3 and 4 are factors.

Front

What is the commutative property of multiplication?

Back

The commutative property states that changing the order of the numbers in multiplication does not change the product. For example, 2 x 3 = 3 x 2.

Front

What is the associative property of multiplication?

Back

The associative property states that when multiplying three or more numbers, the way in which the numbers are grouped does not change the product. For example, (2 x 3) x 4 = 2 x (3 x 4).