Jr.6 U3 & U4 & U5

Which of the following is a numeric expression?

Which of the following is an algebraic expression?

Which of the following is NOT a numeric expression?

• 6
• 3
• y
• 36

• 7
• 3
• -7

• 2
• 3
• 7
• x

• a
• 2
• 4
• 7

• z
• 3

• 2
• 3
• 1
• 5

• 5
• 3
• 2
• 1