Quiz on Variables and Constants grade 3

Which of the following represents a constant?

• x

• y

• 10

• z

Tags

CCSS.6.EE.A.2B

What does a variable represent?

• A fixed value

• An unknown quantity that can change

• A mathematical operation

• A constant value

Tags

CCSS.6.EE.B.6

In the equation 5x + 9 = 22, what does “x” represent?

• A constant

• A variable

• A mathematical operation

• A known value

Tags

CCSS.6.EE.B.5

Which of the following is a variable in the expression 2a + 5b + 13?

• 2

• a

• 5

• 13

Tags

CCSS.6.EE.A.2B

What role does a constant play in mathematical calculations?

• It represents an unknown value.

• It changes throughout the calculation.

• It provides stability and consistency.

• It is denoted by letters or symbols.

Tags

CCSS.6.EE.A.2B

What is the primary difference between a variable and a constant?

• A variable can change, while a constant cannot.

• A variable is always a number, while a constant is not.

• A variable is used in equations, while a constant is not.

• A variable is represented by a number, while a constant is represented by a letter.

Tags

CCSS.6.EE.A.2B

In the expression 3x + 4y - 7, what does 'y' signify?

• A constant

• A variable

• A coefficient

• A fixed value

Tags

CCSS.6.EE.A.2B

Which of the following statements is true about constants?

• They are used to represent variables.

• They remain the same throughout the calculation.

• They can be changed during calculations.

• They are always represented by numbers.

Tags

CCSS.6.EE.A.2B