math 123

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 commutative property of multiplication?

Back

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

Front

If Tom buys 4 chairs at $5 each, how much does he spend?

Back

Tom spends $20.

Front

How do you divide 24 loaves of bread into 4 bags?

Back

You divide 24 by 4, which equals 6. So, there are 6 loaves in each bag.

Front

What is division?

Back

Division is a mathematical operation that determines how many times one number is contained within another. For example, 12 ÷ 3 = 4.

Front

If Abigail planted 30 pumpkin seeds in 5 rows, how many seeds are in each row?

Back

Abigail planted 6 seeds in each row.

Front

What is the formula for finding the area of a rectangle?

Back

The area of a rectangle is found by multiplying its length by its width (Area = length x width).

Front

What is a fraction?

Back

A fraction represents a part of a whole and is written as 'a/b', where 'a' is the numerator and 'b' is the denominator.

Front

What is the difference between a prime number and a composite number?

Back

A prime number has exactly two distinct positive divisors: 1 and itself. A composite number has more than two positive divisors.

Front

What is the associative property of addition?

Back

The associative property of addition states that the way in which numbers are grouped when adding does not change the sum. For example, (2 + 3) + 4 = 2 + (3 + 4).