# 1 5 5 3 122 solve application problems using addition

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Chapter 3 / Exercise 9
Mathematics for Elementary School Teachers
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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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Chapter 3 / Exercise 9
Mathematics for Elementary School Teachers
Bassarear
Expert Verified
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.1.57________________ 2.7(2)________________ 3.27________________ 4.29________________ 5.1(9)________________ 6.(9)(6)________________1.3.1 Subtract integers 7.1868. 6189. 236710.10811. 10(4)12. 26(12)13. 81014. 3415. 2(2)16. 6(2)17. 5718. 16(4)19. 0620. 6(18)421. 210 + (6)22. 105623. 7(9)424. 9(12)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 , 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) 41610) 01011) 11212) 6113) 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) ()2322) 2423) ()2424) ()22− −25) ()3226) ()5127) 5128) 321.4.4 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