Bridges Grade 5 Unit 1 Expressions, Equations, & Volume Review

Front

What is an expression in mathematics?

Back

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

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing an equal sign (=).

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.

Front

What is the volume of a rectangular prism?

Back

The volume of a rectangular prism is found by multiplying its length, width, and height (Volume = length × width × height).

Front

How do you find the missing factor in a multiplication equation?

Back

To find the missing factor, divide the product by the known factor (e.g., if 36 = ? × 20, then ? = 36 ÷ 20 = 1.8).

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac, meaning you can distribute a number across a sum.

Front

How can you check if an equation is correct?

Back

You can check an equation by substituting the solution back into the original equation to see if both sides are equal.

Front

What is a variable in mathematics?

Back

A variable is a symbol (often a letter) that represents an unknown value in an expression or equation.

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting numbers for the variables.

Front

What is the relationship between multiplication and division?

Back

Multiplication and division are inverse operations; dividing a number is the same as multiplying by its reciprocal.