1. Applying Integer Operations

2. Warm Up
21 – 6 ÷ (7 – 4) x 3
5 + (8 – 3) ÷
– (3 – 1) 4 x – 16 ÷ 4 x 2 + 6

3. Order of Operations
We can use the mnemonic device, “Perfectly Excellent Math Answers,” to help us remember the order of operations. Perfectly – Parenthesis Excellent – Exponents Math – Multiplication and Division from left to right Answers – Addition and Subtraction from left to right

4. Arleen has a gift card for a local home and garden store
Arleen has a gift card for a local home and garden store. She uses the gift card to rent a tiller for 4 days. It costs $35.00 per day to rent the tiller. She also buys a rake for $ The original amount on the gift card was $ Does Arleen have enough left on the card to buy a wheelbarrow for $50.00? Explain.

5. Lisa is standing on a dock beside a lake
Lisa is standing on a dock beside a lake. She drops a rock from her hand into the lake. After the rock hits the surface of the lake, the rock’s distance from the lake’s surface changes at a rate of -5 inches per second. If Lisa holds her hand 5 feet above the lake’s surface, how far from Lisa’s hand is the rock 4 seconds after it hits the surface?

6. Dion has $14 and earns $12 for each lawn he mows
Dion has $14 and earns $12 for each lawn he mows. If he mows 4 lawns and buys 5 DVDs that cost $11.95 each, including tax, how much money does he have left?

7. One month Owen made 3 withdrawals for $20 and 1 withdrawal for $80 from his account. How did the withdrawals change the amount in his account?

8. Franklin was charged $140 plus a pickup charge of $20 to ship 4 identical boxes by Fast Ship. The pickup charge applies regardless of how many boxes are picked up. What would have been the change to Franklin’s account if he had shipped just 1 box?

9. Rita and Bernie both play the same online game
Rita and Bernie both play the same online game. In today’s session, Rita earns 6 points 3 times and loses 4 points twice. Bernie gets a bonus of 15 points for answering a trivia question correctly and then loses 25 points twice for giving wrong answers. Who had the greater change to their total points?

10. Exit Ticket
1. 4(-1) (-10) ÷ (-2) (-3)8 – (0) Shana took a test with 50 questions. She lost 2 points for each of the 5 questions she got wrong. She got all 3 extra credit questions correct and received 5 points for each. What is the total number of points she gained or lost overall? Compare the values of the two expressions using <, =, or >. 6. (-3)(3) - 7 ___ 15 ÷ (-5) (-36) ÷ ___ (-30) - (3)(-7)