math

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number. For example, 3 x 4 means adding 3 four times (3 + 3 + 3 + 3 = 12).

Front

What is the formula to find the total cost of multiple items?

Back

Total Cost = Number of Items x Cost per Item. For example, if each chair costs $5 and you buy 4 chairs, the total cost is 4 x 5 = $20.

Front

What is a rectangular array?

Back

A rectangular array is a way to arrange objects in rows and columns. It helps visualize multiplication. For example, a 3x4 array has 3 rows and 4 columns.

Front

How do you divide a total into equal parts?

Back

To divide a total into equal parts, you use division. For example, if you have 30 pumpkin seeds and want to plant them in 5 rows, you divide 30 by 5 to find out how many seeds go in each row.

Front

What is the relationship between multiplication and division?

Back

Multiplication and division are inverse operations. If you know that 4 x 6 = 24, you can also say that 24 ÷ 6 = 4.

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 x 4 = 4 x 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 x 3) x 4 = 2 x (3 x 4).

Front

What is a factor?

Back

A factor is a number that divides another number without leaving a remainder. For example, 2 and 3 are factors of 6 because 2 x 3 = 6.

Front

What is a product?

Back

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

Front

How do you solve a word problem involving money?

Back

To solve a word problem involving money, identify the total amount, the cost per item, and use multiplication or division to find the answer.