Chapter 3, Lesson 1

3-1.A compare integers
Replace each ? by one of these phrases:
is less than, is greater than, or is equal to.

a. 0 ? —1
b. |—4| ? |4|
c. 20 ÷ (—2) ? 6— (—4)

3-1.B translate word sentences into equations
Write an algebraic equation for each word sentence.
Six less than twice a number, n, is equal to eleven.
b. Ten more than the sum of a number, n, and its square is equal to sixteen.