7.1 Writing Equations

Abby and Luke are discussing mathematics. Abby says that an equation has something that an expression doesn't. What is Abby referring to?

• An equal sign.

• An inequality.

Jake is writing a mathematical expression for his homework. Which of the following statements is true about the expression Jake is writing?

• The expression doesn't have an equal sign.

• The expression has an equal sign.

While working on his math homework, Luke came across some expressions. He noticed that these expressions...

• don't have an equal sign.

• have an equal sign.

Jason and Gavin are discussing about mathematical statements. Jason says that equations always have an equal sign. Gavin is not sure. According to Jason's statement, do equations:

• have an equal sign.

• don't have an equal sign.

The word "is" means...

• equals.

• expression.

The word "sum" means...

• an answer to an addition problem.

• an answer to a subtraction problem.

• an answer to a multiplication problem.

• an answer to a division problem.

The word "difference" means...

• an answer to an addition problem.

• an answer to a subtraction problem.

• an answer to a multiplication problem.

• an answer to a division problem.

The word "product" means...

• an answer to an addition problem.

• an answer to a subtraction problem.

• an answer to a multiplication problem.

• an answer to a division problem.

The word "quotient" means...

• an answer to an addition problem.

• an answer to a subtraction problem.

• an answer to a multiplication problem.

• an answer to a division problem.

You divide 10 by 2 and get 5. The 5 is the...

• sum.

• difference.

• product.

• quotient.