5th grade Algebra

Evaluate the expression 13x - 4 when x = 5.

• 57

• 61

• 65

• 53

What are the components of an algebraic expression?

• Numbers and variables.

• Only numbers.

• Only variables.

• Numbers, variables, and constants.

What is the product of 8 and m in algebraic terms?

• 8m

• m8

• 64

• 8 + m

What is the result of multiplying a number by zero?

• The result is always zero.

• The result is the number itself.

• The result is one.

• The result is undefined.

What is the coefficient in the term 7x?

• 5

• 7

• 3

• 10

If y = 15, what is the value of 20 + y?

• 25

• 30

• 35

• 40

What is the difference between an expression and an equation?

• An expression is a combination of terms without an equality sign, while an equation states that two expressions are equal.

• An expression is a mathematical statement that can be true or false, while an equation is always true.

• An expression contains variables, while an equation does not.

• An expression is a single term, while an equation can have multiple terms.

How do you represent '8 more than z' in algebraic form?

• z + 8

• 8 - z

• z - 8

• 8z

What is an algebraic expression?

• A combination of numbers, variables, and operations (like addition, subtraction, multiplication, and division).

• A single number without any variables.

• A type of equation that only includes constants.

• A graphical representation of mathematical functions.

How do you write the expression for 'the sum of a and b'?

• a + b

• a - b

• a * b

• a / b