Evaluating Expressions Quiz

What is the first step in evaluating an expression with a variable?

• Multiply all the numbers together.

• Simplify the expression using order of operations.

• Substitute the variable with a given number.

• Add all the numbers together.

When evaluating 'a + 10' for 'a = 4', what is the resulting expression after substitution?

• 4 + 10

• a + 4

• 10 + a

• 14

What is the result of evaluating 'a + 10' when 'a' is 4?

• 10

• 14

• 4

• 16

How do you evaluate 'M over 3' for 'M = 21'?

• Multiply 21 by 3

• Subtract 3 from 21

• Divide 21 by 3

• Add 21 and 3

What is the result of evaluating '2B' for 'B = -5'?

• -5

• 10

• 5

• -10