CM 2.1C REVIEW

Front

What is the result of the expression 7 + 6?

Back

13

Front

What is the result of the expression 8 + 5?

Back

13

Front

What is the result of the expression 3 + 25?

Back

28

Front

What is the result of the expression 5 + 10?

Back

15

Front

What is the result of the expression 2 + 34?

Back

36

Front

Define the term 'sum' in mathematics.

Back

The sum is the result of adding two or more numbers together.

Front

What is the formula for calculating the sum of an arithmetic series?

Back

The sum S of the first n terms of an arithmetic series is given by S = n/2 * (a + l), where a is the first term and l is the last term.

Front

What is the difference between a variable and a constant?

Back

A variable is a symbol that represents an unknown value, while a constant is a fixed value that does not change.

Front

Explain the concept of 'order of operations' in mathematics.

Back

Order of operations is a set of rules that determines the sequence in which calculations are performed, typically remembered by the acronym PEMDAS (Parentheses, Exponents, Multiplication and Division, Addition and Subtraction).

Front

What is the significance of the number 0 in addition?

Back

The number 0 is known as the additive identity, meaning that adding 0 to any number does not change the value of that number.