Assessment 1

This is the formative assessment for the first 14 days of the unit.

Adding and Subtracting Fractions Test

Adding & Subtracting Fractions Test

Name:  __________________________ Date: _____

Show all your work in the spaces to the right of each problem.

1.    Choose an equivalent fraction for 4/5 and explain why they are equivalent.

      A.   12/5                                 B.  12/15

      C.    15/12                                D.  4/15

________________________________________

________________________________________

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Work space:

2.    What is the GCF of 16 and 24?  Show your work.

Answer:

3.    Rename 55   as a mixed number

                    22

Explain how you got your answer on the lines below:

________________________________________

­­­­________________________________________

________________________________________

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4.    Rename 6  2  as an improper fraction.

                       3

Answer:

5.    Find an equivalent fraction for

                     2

                     8

Show ALL of your work!

Add or subtract the following.  Show all your work.  Reduce final answer to lowest terms.

Circle final answer for numbers 6-9.

6.     12 1/6

      –8 3/6

___________________

7.     7 4/6

     +5 5/12

_________________

8.     8 1/6

     +4 7/3

__________________

9.       11

        3 4/12

__________________

10. Compare the fractions below by using

<, >, or =

            4/6    1/8    7/12

11.  Suzie has 3  3/12 feet of red ribbon, 6  5/12       feet of pink ribbon.  How many feet of ribbon does Suzie have altogether?

      Show your work.  Reduce your answer to lowest terms.

Answer:

12. Solve the following problem, show all of your work and reduce your answer.

 

              15   6/12

          –    9  2/3

_____________________

            ­­

Answer:

13.  Jesse, Alan, Rose, and Tanya each have a  different favorite subject in school.  One likes math, another English, another Science, and another Art.  Alan does not like English or Science.  Rose does not like  Science.  Jesse likes Math.  Who likes English?

Answer:

14. Compare the following fractions using

<, >, =

 

15/20         3/4

 

            9/10        8/10

15. Tell whether the following numbers are prime or composite.

      21 __________________________            7 __________________________

      2 ___________________________          35 __________________________

                                             49 ________________________

16. Ned worked 12   1/4   hours one week and   8  3/4  hours the next.  What is the difference in hours worked between the two weeks?  Show all of your work and write your answer in simplest form.

Answer:

17. Which is greater   11/12   OR   7/8 ?

Justify your answer using the following number line.

0_________________________________1

18.  Round to the nearest hundredth.  0.888

Answer:

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