Writing Word Problems as Algebraic Expressions

What is an algebraic expression?

• A phrase that contains only operational symbols

• A phrase that contains only variables

• A phrase that contains only numbers

• A phrase that contains a combination of numbers, variables, and operational symbols

What does the commutative property of addition state?

• Changing the order of the addends does not change the sum

• Changing the order of the addends changes the product

• Changing the order of the addends does not change the product

• Changing the order of the addends changes the sum

Which word suggests addition in an algebraic expression?

• Quotient

• Product

• Difference

• Sum

How would you write 'the sum of c cherries and eight cherries' as an algebraic expression?

• 8 - c

• c + 8

• 8 + c

• c - 8

Which word suggests subtraction in an algebraic expression?

• Difference

• Sum

• Product

• Quotient

How would you write 'nine cards fewer than c cards' as an algebraic expression?

• 9 + c

• c - 9

• 9 - c

• c + 9

Which word suggests multiplication in an algebraic expression?

• Sum

• Difference

• Product

• Quotient

How would you write 'the product of 12 and b books' as an algebraic expression?

• 12 * b

• 12 + b

• 12 - b

• 12 / b

Which word suggests division in an algebraic expression?

• Quotient

• Product

• Difference

• Sum

How would you write '20 hours of work divided equally among w workers' as an algebraic expression?

• w * 20

• 20 / w

• 20 * w

• w / 20