Topic 3A Review, Math6

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 a prime number?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. Examples include 2, 3, 5, 7, and 11.

Front

What is the prime factorization of 12?

Back

The prime factorization of 12 is 2 x 2 x 3 or 2² x 3.

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by performing the operations indicated in the expression.

Front

What is the result of 5 · 2 - (11 - 7)?

Back

The result is 6.

Front

What is the difference between addition and subtraction?

Back

Addition is the process of finding the total or sum by combining two or more numbers, while subtraction is the process of finding the difference between numbers by taking one number away from another.

Front

What is the significance of parentheses in mathematical expressions?

Back

Parentheses indicate which operations should be performed first in an expression, following the order of operations.

Front

What is the value of 10 - 4 ÷ 1 · 5?

Back

The first operation is division, so the value is 10 - 4 = 6.

Front

What is an exponent?

Back

An exponent is a number that indicates how many times to multiply the base by itself. For example, 7^6 means 7 multiplied by itself 6 times.

Front

What is the equivalent of 7 x 7 x 7 x 7 x 7 x 7?

Back

The equivalent is 7^6.