Lesson 19- Writing and Evaluating Expressions/Order of Operations

22 - (9 x 2) > 18

False

True or False: (9 x 2 ) x (4 - 3) > 18

False

True or False: (9 x 2) + 7 = 18

False

Adam is 2 years old. His sister Lina is 1 year less than three times his age. Write a numerical expression for Lina's age.

(3 x 2) - 1

Kris ran 3 miles each day for 7 days in a row. One day, she ran an extra 1/2 mile. Which expression represents how many miles Kris ran altogether?

3 x 7 + 1/2

Which expression has the GREATER value? 8 x 3 + 4 or 8 x (3 + 4)

8 x (3 + 4)

True or False: (9 x 2)/3 < 18

True

True or False: 1/5 x (9 x 2 ) < 18

True

True or False: 3 x (9 x 2) > 18

True

True or False: 4 x 1/4 x (9 x 2) = 18

True