Evaluate the expressions if: x = 2 y = -9 z = 3 Warm-Up: Evaluate the expressions if: x = 2 y = -9 z = 3 xy -25xz -4y -z -xz

Now work together to find the solution for each expression if, b = 3 Think-Pair-Share Talk with your side partner to determine what the difference is between: -7b2 and (-7b)2 Now work together to find the solution for each expression if, b = 3

Partner Integer Review Halloween Crime Scene

Math Detectives MRS. Mcphee Mrs. Peyton MRs. Watson Mrs. Patel There is a crime that needs to be solved! Last Halloween, something was stolen from one of the teachers. It is YOUR job to figure out from WHOM the item was stolen, and WHO did the stealing, in order to make sure it doesn’t happen again THIS Halloween! Your prime suspects are: MRS. Mcphee Mrs. Peyton Mrs. Patel MRs. Watson

Math Detectives Throughout this mission, you will need to figure out: The date and time of the crime. Who did the crime. Who was the victim of the crime. What was stolen. From where. What happened to the stole item. The partner in crime. *In order to figure out the crime, and piece together the entire scene, you will go around the room with your partner to answer math problems. If you solve the problem correctly, you are given a clue that leads you closer to solving this case! *EVERY detective must show ALL of their work, and both partners must agree on an answer before moving on to the next problem. The detectives who can solve the ENTIRE crime correctly will receive a prize from the head detective (Mrs. Shepherd!) 

1. The Date -13 + (-72) + 4 If your answer is , the date is October 29, 2017 If your answer is , the date is October 31, 2017 If your answer is , the date is October 30, 2017 If your answer is , the date is October 28, 2017 -55 -81 -89 63

2. The Time -79 – (-82) If your answer is , the time is 9:15 am If your answer is , the time is 12:00 am If your answer is , the time is 7:30 pm If your answer is , the time is 10:45 pm -161 161 -3 3

-4xy 3. The Criminal Find the product if: x = 15 y = -11 -600 -660 600 If your answer is , the criminal is Mrs. Patel If your answer is , the criminal is Mr. McPhee If your answer is , the criminal is Mrs. Watson If your answer is , the criminal is Mrs. Peyton -600 -660 600 660

18a + a 4. The Stolen Item Evaluate if: a = -3 -57 -51 54 60 If your answer is , the pumpkin was stolen If your answer is , the candy was stolen If your answer is , the costume was stolen If your answer is , the black cat was stolen -57 -51 54 60

(x ÷ 4) • -17 5. The Victim Evaluate if: x = -24 -102 102 340 476 If your answer is , the victim is Mrs. Patel If your answer is , the victim is Mrs. Watson If your answer is , the victim is Mrs. McPhee If your answer is , the victim is Mrs. Peyton -102 102 340 476

112 ÷ n + n2 6. Stolen from where? Evaluate if: n = -8 -50 78 50 -78 If your answer is , the dinner table If your answer is , the woods If your answer is , the front porch If your answer is , under the bed -50 78 50 -78

55 – 116 – |-24| 7. What Happened With It? 37 -37 85 -85 If your answer is , write: gave it to If your answer is , write: ate it with If your answer is , write: threw it at If your answer is , write: smashed it on 37 -37 85 -85

-10 • -10 ÷ -25 8. The Partner In Crime… 25 -25 4 -4 If your answer is , the answer is Coach Gibbons If your answer is , the answer is Mrs. Arruda If your answer is , the answer is Mrs. Melchione If your answer is , the answer is Mr. Pisanello 25 -25 4 -4

Small Groups Study Guide