Expressions Review

A symbol for a number we don't know yet. This is usually a letter.

• coefficient
• sum
• variable
• term

What is a variable.

• A number without a letter.

• A number multiplied by a letter.

• A symbol to represent the unknown.

• Parts of the expression separated by plus or minus signs.

Identify the constant in the expression
4y + 2 + x

• x
• y
• 4y
• 2

How many terms are in the expression

3a + 2b + c + 100

• 3

• 4

• 5

• 6

A number on its own that has a fixed value.

• constant
• coefficient
• term
• variable

What are the variables in the following expression: 3z + 4x - 1 + 7y

• 3, 4, 1 and 7
• z, x and y
• + and -
• 15

Identify a constant in the expression
3x + 2y + 7

• 3
• 2y
• 7
• 2

Identify the coefficient in the expression
4m + n + 2

• 2
• 4
• m
• n

How many terms are in the expression
3a + 2b + c + 100

• 3
• 4
• 5
• 6

Which term contains a coefficient?
m + 3n + p + 3

• m
• 3n
• p
• 3