Operations on Whole Numbers

Front

What is the order of operations in mathematics?

Back

The order of operations is a set of rules that determines the sequence in which calculations are performed. The acronym PEMDAS helps remember the order: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What is subtraction?

Back

Subtraction is the mathematical operation of finding the difference between two numbers. It is represented by the minus sign (-). For example, in 10 - 4, the result is 6.

Front

What is multiplication?

Back

Multiplication is the mathematical operation of combining equal groups. It is represented by the multiplication sign (×). For example, 4 × 3 means adding 4 three times, which equals 12.

Front

What is the result of 78 − 56 ÷ 4 + 8 × 12?

Back

The result is 160.

Front

What is the result of 82 + (147 − 22) ÷ 5?

Back

The result is 107.

Front

What does it mean to multiply a number by 1000?

Back

Multiplying a number by 1000 shifts its digits three places to the left. For example, 458 × 1000 = 458000.

Front

What is the result of 3451 × 10?

Back

The result is 34510.

Front

How do you calculate the total membership fees collected by a club?

Back

To calculate total fees, multiply the number of members by the fee per member and then multiply by the number of years. For example, 356 members paying $75 + $15 for 2 years results in $64080.

Front

What is the definition of a whole number?

Back

Whole numbers are non-negative numbers without fractions or decimals. They include 0, 1, 2, 3, and so on.

Front

What is the difference between addition and subtraction?

Back

Addition combines numbers to find a total, while subtraction finds the difference between numbers.