Expressions Unit Review - Grade Level

Front

Which is equivalent to 3^4 in standard form?

Back

81

Front

Evaluate 2a + 4b if a = 10 and b = 6

Back

44

Front

Which property is this example? 5 x 6 = 6 x 5

Back

Commutative property of multiplication

Front

Which is equivalent to 4 x 4 x 4 x 4 x 4?

Back

4^5

Front

Write an algebraic expression for the real-world situation: Ralph is a carpenter who makes the same number of birdhouses each day. He uses 5 boards of wood for each birdhouse.

Back

5d

Front

What is an expression in mathematics?

Back

A combination of numbers, variables, and operators (like +, -, ×, ÷) that represents a value.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equality sign, while an equation does.

Front

What does the distributive property state?

Back

a(b + c) = ab + ac, meaning you can distribute a number across a sum.

Front

What is the associative property of addition?

Back

(a + b) + c = a + (b + c), meaning the way numbers are grouped does not change their sum.

Front

What is a variable in algebra?

Back

A symbol (often a letter) that represents an unknown value.