Mathematical Operations and Rational Numbers

Mathematical Operations and Rational Numbers

Test Review

Open Ended

What are the mathematical operations?

Multiple Choice

As a review lets convert mixed numbers to improper fractions.
What is the improper fraction of the mixed number

 $5\frac{7}{8}$  ?

•  $\frac{44}{8}$  

•  $\frac{47}{8}$  

• 5.875

• Five wholes and seven eights of another

Multiple Choice

As a review lets convert mixed numbers to improper fractions. 
What is the improper fraction of the mixed number

 $3\frac{2}{3}?$  

•  $\frac{11}{3}$  

•  $\frac{9}{3}$  

• 3. $3.\overline{9}$  

Multiple Choice

Now lets change an improper fraction to a mixed number. What is the fraction

 $\frac{29}{5}$  as a mixed number?

• twenty-nine and five fiths 

• 5.8

•  $5\frac{4}{5}$  

Multiple Choice

Imani pays $30 each month for her gym membership. What is the change in the amount of money in her account after

 $\frac{2}{3}$   of a year?

• - $120

• - $270 

• - $240

• - $360

Open Ended

For the question, Imani pays $30 each month for her gym membership. What is the change in the amount of money in her account after

 $\frac{2}{3}$   of a year ? Bob choose - $120 . How did he get that answer?

Multiple Choice

Trevon, Leah, and Beth are playing a computer game. Trevon Scored -8. Beth's score was

 $\frac{3}{4}$   of Trevon 's score, and Leah's score was  $\frac{1}{4}$   of Beth's score. What was Leah's score?

•  $-\frac{2}{3}$  

•  $\frac{2}{3}$  

•  $-\frac{3}{2}$  

•  $\frac{3}{2}$  

Open Ended

Paula cut ribbon from a spool for a craft project. Each piece of ribbon changed the length of the ribbon remaining on the spool by -1.2 feet. When Paula finished, the length of ribbon on the spool had changed by  $-9\ \frac{3}{5}$  feet . How many pieces of ribbon did Paula cut?

Poll

Evaluate the product. Write your answer in simplest form?

 $-\frac{4}{5\ }\times\ \left(-\frac{5}{8}\right)$  

•  $-\frac{20}{30}$  

•  $\frac{20}{30}$  

•  $-\frac{2}{4}$  

•  $-\frac{1}{2}$  

Poll

Evaluate the product. Write your answer in simplest form?

 $\left(-\frac{3}{10}\right)\ \times\ \left(\frac{2}{7}\right)$  

•  $-\frac{6}{70}$  

•  $-\frac{3}{35}$  

•  $-\frac{1}{13}$  

Multiple Choice

What is -8.3 - (-5.4)?

• -13.7

• -2.9

• 2.9

• 13.7

Open Ended

Michelle poured

 $\frac{7}{8}$  cup of warm water from a pitcher into a glass. Then she poured another  $\frac{2}{3}$   cup. What is the change in the amount of water in the pitcher? Explain using R.A.E

Multiple Choice

Selected all that are equal to expression 0.50-(-1.75).

• $\frac{1}{50\ }-\left(-1\frac{3}{4}\right)$

• 0.50 + 1.75

• -0.50 - 1.75

• $\frac{1}{2\ }+\ 1\frac{3}{4}$