1. ADDING INTEGERS ON THE NUMBER LINE LESSON 59POWER UP LPAGE 413

2. ABSOLUTE VALUE

5. ADDITION ON A NUMBER LINE

8. m. On the return trip the hikers walked down the mountain from 4362 ft. above sea level to the valley floor 126 ft. below sea level. What was the drop in elevation during the return trip?

9. ADDITION ON A NUMBER LINE n. Sam borrowed $5 from his brother. He wants to earn enough money to repay his brother and to buy a $25 ticket to the amusement park. How much money does Sam need to earn?