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Proportii 1

Authored by Robi Piloiu

Mathematics

6th - 8th Grade

Used 72+ times

Proportii 1
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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Urmatoarea egalitate de rapoarte este o proportie daca:

 mn=ab\frac{m}{n}=\frac{a}{b}  

 m ×b=a×nm\ \times b=a\times n  

 m ×a=b×nm\ \times a=b\times n  

 a ×b=m×na\ \times b=m\times n  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Amplificand raportul

 57\frac{5}{7}  cu 4 o sa obtinem proportia:

 57=2028\frac{5}{7}=\frac{20}{28}  

 57=911\frac{5}{7}=\frac{9}{11}  

 57=2820\frac{5}{7}=\frac{28}{20}  

 57=119\frac{5}{7}=\frac{11}{9}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplificand cu 9 raportul

 8172\frac{81}{72}  o sa obtinem proportia 

 8172=98\frac{81}{72}=\frac{9}{8}  

 8172=89\frac{81}{72}=\frac{8}{9}  

 8172=1214\frac{81}{72}=\frac{12}{14}  

4.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Care dintre urmatoarele egalitati de rapoarte sunt proportii?

23=46\frac{2}{3}=\frac{4}{6}

510=24\frac{5}{10}=\frac{2}{4}

39=824\frac{3}{9}=\frac{8}{24}

525=25\frac{5}{25}=\frac{2}{5}

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 x5=615. x este egal cu:\frac{x}{5}=\frac{6}{15}.\ x\ este\ egal\ cu:  

 x=2x=2  

 x=4x=4  

 x=5x=5  

 x=1x=1  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 x3=69\frac{x}{3}=\frac{6}{9}  x este:

 x=2x=2  

 x=3x=3  

 x=4x=4  

7.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Avand numerele 5, 10, 2 si 4 alegeti proportiile corecte:

510=24\frac{5}{10}=\frac{2}{4}

105=42\frac{10}{5}=\frac{4}{2}

52=104\frac{5}{2}=\frac{10}{4}

510=42\frac{5}{10}=\frac{4}{2}

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