Chapter 4 Multiplication

Front

What is multiplication?

Back

Multiplication is a way to add a number to itself a certain number of times. For example, 4 × 3 means adding 4 three times: 4 + 4 + 4 = 12.

Front

What does 4 × 9 equal?

Back

36

Front

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

Back

8 x 7 = 54 is not correct.

Front

What is 7 x 11?

Back

77

Front

What is the missing number in 6 × 6 = (5 × 6) + (_?_ × 6)?

Back

1

Front

What does 49 = 7 groups of mean?

Back

It means that 49 can be divided into 7 equal groups, each containing 7.

Front

What is the commutative property of multiplication?

Back

The commutative property states that changing the order of the numbers in a multiplication problem does not change the product. For example, 3 × 4 = 4 × 3.

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 × 3) × 4 = 2 × (3 × 4).

Front

What is a factor?

Back

A factor is a number that divides another number without leaving a remainder. For example, in 6 × 4 = 24, both 6 and 4 are factors of 24.

Front

What is a product?

Back

The product is the result of multiplying two or more numbers together. For example, the product of 5 and 3 is 15.