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Fractions & Percentages

100

what is 3/4 as a percentage ?

75%

200

A class has 24 students. 3/8 of them are absent. 

how many students are absent ? 

how many are in the class ? 

9 absent , 15 in the class 

300

A jacket costs $80 after a 20 % discount. What was the original price ? 

 $ 100 

400

A number is increased by 40 % and becomes 98. 

what was the original number ? 

1.4x= 98   x = 70 

500

A class has 30 students. 40% are boys .                 Half of the girls wear glasses. 

How many girls wear glasses?

boys are 12. girls are 18 , half of them is 9 

Ratio& Proportion

100

Simplify  144:78 

24:13

200

If 5 pencils cost $15, how much do 8 pencils cost? 

$24

300

A recipe uses flour and sugar in ratio 4:1.
If 20 cups of flour are used, how much sugar is needed?

5 cups

400

The ratio of boys to girls is 7:5.
There are 36 students total.
How many boys are there? How many girls ? 

21 boys  , 15 girls 

500

The ratio of boys to girls in a class is 3:5.
There are 24 students altogether.
If 4 more boys join the class, what will the new ratio of boys to girls be?

before 9 boys and 15 girls (3:5) 

after 13 boys and 15 girls 

13:15

Graphs & Functions

100

Find the next term :  1,4,9,16, 25, ...

6²=36

200

Find the function ( input ---- > output)  

input (x) : 0,1,2,3

output(y) : 1,3,5,7 

input x2 + 1= output  

or     y=2x+1 

300

Draw the graphs of  X=-3 and Y=3 

---

400

Draw a graph for  y=2x-1    

----

500

1. Draw y=4x+2  

2.  Show if (3,14) point lies on the line or not .

1 correct 250 

2 correct 250 

Geometry

100

Angles on a straight line add to?

180°

200

Find the missing angle in a triangle:
50°, 60°, ?

50+60+x=180

x=70

300

A square has perimeter 36 cm.
Find its area.

81 cm²

400

A cuboid has dimensions:
5 cm × 4 cm × 3 cm

Find the volume.

V=lwh

60 cm³

500

A cube has side length 4 cm.
Find its surface area.

S_a=6a²       a=4  a²=16

6 * 16 = 96

96 cm²

Probability

100

What is the probability of getting heads when flipping a fair coin?

Uzb version: tanga tashlaganda gerb tushish ehtmolligi ? 

1/2

200

A bag contains 3 red and 2 blue balls.
Probability of choosing blue?

2/5

300

A bag contains:
5 red balls
4 blue balls
3 green balls

What is the probability of choosing a ball that is NOT green?

Total:12    Not green:9

9/12 =3/4

400

A die is rolled once.
Probability of getting a number greater than 4?

Numbers: 5 and 6

2/6= 1/3

500

A bag contains 6 red, 3 white, 4 yellow and 7 orange marbles. What is the probability that a marble drawn at random is
a) red
b) yellow
c) not red
d) white or orange
e ) neither red nor white?

total 20  a) 6/20=3/10                                               b)4/20=1/5                                                  c)14/20=7/10                                             d)10/20=1/2                                                             e)11/20