Lesson 11 Vocabulary

What is the distributive property?

• Adding each term in a sum by a common factor

• Subtracting each term in a sum by a common factor

• Multiplying each term in a sum or difference by a common factor

• Dividing each term in a sum by a common factor

What does an equation use to show that two expressions have the same value?

• Plus sign (+)

• Equal sign (=)

• Minus sign (-)

• Multiplication sign (×)

What is an expression in mathematics?

• A single number

• A group of numbers, variables, and/or operation symbols

• A mathematical statement with an equal sign

• A number line

What are opposite numbers?

• Numbers that are the same distance from 1 on a number line

• Numbers that are the same distance from 0 on a number line but in opposite directions

• Numbers that are the same distance from 10 on a number line

• Numbers that are the same distance from 5 on a number line

What is the product in mathematics?

• The result of addition

• The result of subtraction

• The result of multiplication

• The result of division

What does it mean to justify in mathematics?

• To solve a problem

• To explain why something is correct or incorrect by giving logical reasons

• To guess the answer

• To write down the steps

Which of the following is an example of the distributive property?

• a + b = b + a

• a(b + c) = ab + ac

• a - b = b - a

• a/b = b/a

Which term describes a mathematical statement that uses an equal sign?

• Expression

• Equation

• Product

• Justify

What is the result of multiplying two numbers called?

• Sum

• Difference

• Product

• Quotient

How can you justify a mathematical solution?

• By guessing

• By explaining with logical reasons

• By copying from a friend

• By using a calculator