Writing Expressions and Equations

Translating phrases and sentences

• To translate verbal phrases and sentences into expressions and equations, look for KEY WORD

• Order is important in subtraction and division expressions

Key words

Equal Sign: is, are, was, were, will be, gives, yields, sold for, equals

Translating Verbal Phrases

Underline the key word and write the expression1. the quotient of 3 and a number z2. the sum of 18 and 35 3. 6 times 504. 25 less than a number b 5. a number x divided by 46. the total of a number t and 11 7. 100 decreased by a number k

Translating Verbal Sentences

Underline the key words and write an equation.8. 16 increased by a number is 279. The difference of twice a number and 3 equals -410. The product of 2 and a number is 3611. -3 is equal to twice the sum of a number and 2

Writing an Algebraic Expression

Real Life Application

12. While hiking, you descend 2000 feet from the start of a trail to an elevation of 5200 feet. Write an equation to find the elevation at the start of the trail.