1) + 5 + (−5) + (−3)1.2.2 Solve application problems using addition of integers 22) The beginning balance in a person's checking account was -30 dollars. After writing three checks for 3, 30 and 17 dollars and making a deposit of 60 dollars, what was the new balance in the account? 23) If you are in a submarine and are at a depth of 31 feet below sea level and rise 21 feet, what depth are you at? 24) John's bank account was overdrawn. The status of his account was −$148. He did not realize the problem and wrote another check for $80. The bank charged him a $17 fee for being overdrawn. What was the new status of John's account at this point?

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Module 1 - Integers | Brief NotesPg 9 | Last Updated: 7/16/20181.3 Subtracting Integers Rewrite the following problems (replacing extra signs with a single sign). Do not write the answer. Write the word “simplified” if the problem cannot be simplified further.1.−5−7________________ 2.−7−(−2)________________ 3.2−7________________ 4.−2−9________________ 5.1−(−9)________________ 6.(−9)−(−6)________________1.3.1 Subtract integers 7.18−68. 6−189. 23−6710.−10−811. −10−(−4)12. 26−(−12)13. 8−1014. −3−415. −2−(−2)16. 6−(−2)17. −5−718. −16−(−4)19. 0−620. 6−(−18)−421. 2−10 + (−6)22. 10−5−623. −7−(−9)−424. 9−(1−2)−41.3.2 Solve application problems using addition and subtraction of integers25. On a cold winter day in Denver, the morning temperature was 15°Fahrenheit. By noon it had fallen 6°, and by 5pm that afternoon it had fallen another 10°. What was the temperature at 5pm? 26. In Fargo it was −18°𝐹𝐹, while in Tacoma it was 43°𝐹𝐹. How much warmer was Tacoma?

1.4 Multiplying / Dividing Signed Numbers | Brief NotesPg 10 | Last Updated: 7/16/20181.4 Multiplying / Dividing Signed Numbers 1.4.1 Multiply Integers & 1.4.3 Divide Integers as indicated 1) 7 4− ⋅2) 5( 8)−−3) 5( 3)−4) 3( 16)−−5) 32( 4)÷ −6) )8(48−÷−7) 300−÷8) 6( 2)−÷ −9) 416−−10) 010−11) 112−12) 61−−13) −4(−3)(−2)14) (5)(−2)(3)15) 5(−2)(−1)16)−10(3)(−5)17) 2(5)(−2)18) 3(−2)(−1)19) −3(−2)(−1)(−2)20) −1(3)(5)21) ()23−22) 24−23) ()24−24) ()22− −25) ()32−26) ()51−27) 51−28) 32−1.4.4 Solve application problems using multiplication and division of integers 29) A farmer hears a weather report saying that temperatures will be decreasing approximately 2° every hour for the next 3 hours. What signed number represents the total change in temperature expected over the next 3 hours? 30) 7 friends have a debt totaling -35 dollars. If they share the debt equally, what number represents the change in dollars for each friend? 31) The temperature in Scottsdale changed by -27 degrees in 3 days. If the temperature changed by the same amount each day, what was the change in temperature per day?

1.5 Order of Operations with Integers | Brief NotesPg 11 | Last Updated: 7/16/20181.5 Order of Operations with Integers