Chapter 4, Lesson 5


4-5.A add and subtract integers
Evaluate: —4+ (—9) — 12

4-5.B estimate decimals by rounding
Estimate the value of each expression by rounding to the nearest whole number.
a.
102.74 + 328.57 b. 714.932 — 67.16

4-5.C use Properties of Addition for integers
Match each sentence in Column I with the property from Column II that is illustrated.