Quiz 2 Algebraic and Numeric Expressions

10 ²

• 10

• 100

• 1000

• 10,000

Write an expression for 23 increased by a number

• n - 23

• n + 23

• 23 + n

• Both n + 23 and 23 + n

Write an expression for the product of 11 and some number

• all of the answers

• 11m

• 11 * m

• 11(m)

Write an expression for 63 fewer than a number

• 63 - n

• n + 63

• n - 63

• n * 63

Write an expression for 3 times the quotient of 81 and a number

• 3 x (81 - n )

• 3 + ( 81 + n)

• 3 + (81 $\div$ n)

• 3 x (81 $\div$ n)

Write an expression for 22 fewer than a number

• 22 + n

• 22 - n

• n - 22

• n + 22

Evaluate the expression.

10 ² - (2 + 2)² x 3 + 14

An algebraic expression contains an unknown, or _____________

• variable

• constant

• equation

• operator

In an algebraic expression, a variable is...

• a number

• a letter or symbol

• an operator

• an equal sign