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Review of arithmetic operations on rational numbers

Authored by Celestine Muluh

Mathematics

7th Grade

Used 1+ times

Review of arithmetic operations on rational numbers
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25 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 3212=\frac{3}{2}-\frac{1}{2}=  

 1-1  

 11  

 12\frac{1}{2}  

 12-\frac{1}{2}  

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 What is the value of 14(57)=What\ is\ the\ value\ of\ 14\left(-\frac{5}{7}\right)=  

 107-\frac{10}{7}  

 10-10  

 1010  

Non of these answers is correct 

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 417+(213)=4\frac{1}{7}+\left(-2\frac{1}{3}\right)=  

 5714-\frac{57}{14}  

 5714\frac{57}{14}  

 187\frac{18}{7}  

 177-\frac{17}{7}  

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 56+448=\frac{5}{6}+4\frac{4}{8}=  

 13724\frac{137}{24}  

 13724-\frac{137}{24}  

 914\frac{9}{14}  

 149\frac{14}{9}  

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 (45)(56)=\left(-\frac{4}{5}\right)\left(-\frac{5}{6}\right)=  

 23-\frac{2}{3}  

 23\frac{2}{3}  

 32\frac{3}{2}  

 32-\frac{3}{2}  

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Evaluating (-5)(2)(-1)(0)=

10

-10

0

8

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 (12)(712)(45)=\left(-\frac{1}{2}\right)\left(\frac{7}{12}\right)\left(-\frac{4}{5}\right)=  

 307-\frac{30}{7}  

 730-\frac{7}{30}  

 307\frac{30}{7}  

 730\frac{7}{30}  

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