4th Grade Bridges Unit 2 Review

Front

What is the area of a rectangle?

Back

The area of a rectangle is calculated by multiplying its length by its width. For example, if a rectangle is 5 feet long and 3 feet wide, its area is 5 x 3 = 15 square feet.

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number. For example, 4 x 3 means adding 4 three times: 4 + 4 + 4 = 12.

Front

What is the equation to find the area of a rectangle?

Back

The equation to find the area of a rectangle is: Area = Length x Width.

Front

What does it mean to solve for a variable in an equation?

Back

Solving for a variable means finding the value of that variable that makes the equation true. For example, in the equation 3x = 12, x = 4.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac. It allows you to multiply a number by a sum by distributing the multiplication to each addend.

Front

What is the product of 40 and 7?

Back

The product of 40 and 7 is 280.

Front

What is a variable in mathematics?

Back

A variable is a symbol, often a letter, that represents a number in an equation or expression. For example, in the equation x + 5 = 10, x is the variable.

Front

What is the equation that represents Skylah's marbles compared to JC's?

Back

The equation is 3m = 150, where m represents the number of marbles JC has.

Front

What is the area of a coop that is 18 feet by 12 feet?

Back

The area of the coop is 18 x 12 = 216 square feet.

Front

What does it mean for an equation to be true?

Back

An equation is true when both sides of the equation have the same value. For example, in the equation 2 + 2 = 4, both sides equal 4.