Quiz about Ôn tập Toán 4 CKII

Question 1

$$\frac{\ 3\ }{8}+\frac{5}{8}\ =\ ?$$

Accepted Answer

1

Accepted Answer

$$\frac{\ 8\ }{8}$$

Answer

$$\frac{\ 2\ }{8}$$

Answer

$$\frac{\ 8}{\ 16}$$

Answer

$$\frac{\ 1\ }{16}$$

Question 2

$$\frac{\ 7\ }{2} imes\frac{5}{7}\ =\ ?$$

Accepted Answer

$$\frac{\ 5\ }{2}$$

Accepted Answer

$$\frac{35}{14}$$

Answer

5

Answer

$$\frac{\ 2\ }{5}$$

Answer

2

Question 3

$$\frac{\ 7\ }{4}-\frac{\ 1\ }{2}\ =\ ?$$

Accepted Answer

$$\frac{5}{4}$$

Accepted Answer

$$\frac{10}{8}$$

Answer

$$\frac{6}{2}$$

Answer

2

Answer

3

Question 4

$$\frac{\ 2\ }{5}\ :\ \frac{\ 4\ }{3}\ =\ ?$$

Accepted Answer

$$\frac{3}{10}$$

Accepted Answer

$$\frac{6}{20}$$

Answer

$$\frac{8}{15}$$

Answer

$$\frac{6}{10}$$

Answer

$$\frac{2}{3}$$

Question 5

$$x\ \ :\ \frac{\ 2\ }{9}\ =\ \frac{3}{4}$$

Accepted Answer

$$\frac{1}{6}$$

Accepted Answer

$$\frac{6}{36}$$

Answer

$$\frac{27}{6}$$

Answer

$$\frac{9}{2}$$

Question 6

$$\frac{1}{4}$$ m² = ............... dm²

Accepted Answer

25

Answer

50

Answer

75

Answer

100

Question 7

$$\frac{3}{10}$$ m² = ............... dm²

Accepted Answer

30

Answer

10

Answer

20

Answer

50

Question 8

7000 dm² = ............... m²

Accepted Answer

70

Answer

7

Answer

700

Answer

70000

Question 9

24 000 000 m² = ............... km²

Accepted Answer

24

Answer

24000

Answer

2400

Answer

240

Question 10

5 m² 8 dm² = ............... dm²

Accepted Answer

508

Answer

58

Answer

580

Answer

5080

Ôn tập Toán 4 CKII

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