Simple Expressions

Evaluate 6y for y = 3

• 12

• 18

• 63

• 2

Evaluate x + y for x = 5 and y = 6

• 30

• 1

• 11

• 5

• 24

• 16

• 80

Evaluate 2x + 3 for x = 4

• 5

• 9

• 11

• 1

• 7

• 18

• 8

• 14

Evaluate 3x - 2 for x = 5

• 13

• 10

• 0

Letters used to represent amounts

• Expressions

• Equations

• Symbols

• Variables

Evaluate the expression using the values
 m = 7, r = 8, and t = 2.
4m + t

• 30
• 28
• 26
• 14

Evaluate when a = 15:
2(a - 5) + 2

• 22
• 27
• 14
• 7

The coefficient is a number multiplied by a variable. It is the number in _______________ of the variable.

• in front

• behind