Understanding Variables and Expressions

What is a variable in the context of algebra?

• A fixed number

• A symbol that can represent different numbers

• A constant value

• A mathematical operation

In the example of the Little League Yankees and Mets, how is the number of games the Yankees won expressed?

• M - 4 = Y

• M + 4 = Y

• Y - 4 = M

• Y + 4 = M

What does the term 'more' generally indicate in algebraic expressions?

• Subtraction

• Multiplication

• Addition

• Division

How would you express '12 pens decreased by n'?

• 12 * n

• n - 12

• 12 - n

• 12 + n

What is the correct expression for 'three more dollars than the cost of C'?

• C + 3

• C - 3

• 3 - C

• C * 3

What does the term 'times' indicate in algebraic expressions?

• Division

• Subtraction

• Addition

• Multiplication

How would you write 'a apples divided by four' as an expression?

• a + 4

• a - 4

• a * 4

• a / 4

How do you express 'the difference of a number T and 22'?

• 22 - T

• T - 22

• T + 22

• T * 22

What is the expression for 'M bicycles added to 18'?

• M + 18

• 18 + M

• M - 18

• 18 - M

How would you write 'four less than five times a number G'?

• 5G + 4

• 4 + 5G

• 4 - 5G

• 5G - 4