Tuesday, November 15, 2016

Below is our Math chapter 5 study guide! (TEST TOMORROW!)

Chapter 5 Add & Subtract Decimals
  1. Round 49.294 to the hundredths place.







  1. Round 123.456 to the tenths place.
  • Estimate.   4.92 + 2.16








    1. Find the value.  92.39 + 64.78
  • Find the value.  8 - 6.92






    1. Identify the addition properties shown below.

    (74 + 63) + 35 = 74 + (63 + 35)



    3.210 + .075 = .075 + 3.210








                                                                                                                                                                         
    7.  How can you use the associative property to solve the equation below mentally? Show your work and explain your thinking.

    (18 + 14) + 6 = ___  









                                    

    8. Company A has a budget of $23.87 million and Company B has a budget of $14.22 million. What is the difference between the two budgets if each is rounded to the nearest tenth of a million?
                                                                                                    




    9)  Mrs. Holtmann bought a pair of jeans for $49.99 and a shirt for $23.59.? If she paid with a $100.00 bill, how much change would she get back?                         
                                                                                                      

                                                                            
    10)  The coach recorded how fast his runners ran 1 mile. Quinn ran a mile in 9.26 minutes, Jack ran a mile in 11.64 minutes, and Aidin ran a mile in 10.36 minutes. How much faster did Quinn run than Aidin?



                                                                                                                                      
    11)  Add using the decimal model. Shade the model to show your answer. Write your answer.

         1.56 + 2.04   






    12)  Subtract using the decimal model. Shade the model to show your answer. Write your answer.

     2.72 - 0.9

    13) Look at the following model. Circle the expressions that could match the model.


    1.13 + .24 1.2 + 1.70 0.37 + 1.01


    1.28 + .09 1 + 0.037 6.39 - 5.02

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