December Review

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 is often used: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What is an exponent?

Back

An exponent is a number that indicates how many times to multiply the base number by itself. For example, in 4², 4 is the base and 2 is the exponent, meaning 4 is multiplied by itself 2 times (4 x 4).

Front

Calculate: 3 + 4 x 6 - 4. What is the first operation to perform?

Back

The first operation to perform is multiplication (4 x 6).

Front

What does 8⁶ represent?

Back

8⁶ represents 8 multiplied by itself 6 times: 8 x 8 x 8 x 8 x 8 x 8.

Front

Identify the exponent in the expression 4² = 16.

Back

The exponent in the expression is 2.

Front

What are the four main food groups of elves?

Back

The four main food groups of elves are candy, candy corn, candy canes, and syrup.

Front

What is the result of 5 x 5 x 5?

Back

The result is 125, which can also be expressed as 5³.

Front

What is the difference between multiplication and addition?

Back

Multiplication is repeated addition. For example, 4 x 3 means adding 4 three times (4 + 4 + 4).

Front

What is the value of 2³?

Back

The value of 2³ is 8, since 2 x 2 x 2 = 8.

Front

What is the purpose of parentheses in mathematical expressions?

Back

Parentheses indicate which operations should be performed first in an expression.