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Обикновени дроби

Authored by Svetla Borisova

Mathematics

5th Grade

Used 21+ times

Обикновени дроби
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18 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Дробта а2\frac{а}{2}  е правилна ако а е равна на

2

3

4

1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

дробта а7\frac{а}{7}  е неправилна ако а е

1

0

7

2

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

коя от дробите е по малка от единица

2510\frac{25}{10}  

210\frac{2}{10}  

1010\frac{10}{10}  

101\frac{10}{1}  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

коя от дробите е несъкратима

3451\frac{34}{51}  

5213\frac{52}{13}  

3970\frac{39}{70}  

2639\frac{26}{39}  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Несъкратимата дроб равна на 7290\frac{72}{90}  е

85\frac{8}{5}  

25\frac{2}{5}  

910\frac{9}{10}  

45\frac{4}{5}  

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Съкратимата дроб равна на 35\frac{3}{5}  е

615\frac{6}{15}  

910\frac{9}{10}  

1220\frac{12}{20}  

1520\frac{15}{20}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

открийте липсващото число

25=*15\frac{2}{5}=\frac{\text{*}}{15}  

1

2

3

6

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