Grade 8 Mathematics (1)

Simple calculations

100

What is 

24+17?

41

200

What is

842-223?

619

300

What is

6+5*4-9?

17

400

What is

-7/-2?

3.5 or 3 1/2

500

What is

11(6+3)-10/5?

97

Algebra

100

What does x equal if

3+x=14?

 x=11

200

What does x equal if

x-(-7)=-9?

x=-16

300

What is the simply expression if

3x+2+2x+4?

5x+6

400

What does x equal if

3^x=729?

x=5

500

What does x and y if

2+4x=36/y*2+2=14?

x=3, y=6

Fractions

100

What is

1/2+1/2?

1

200

What is

2/3+2/9?

8/9

300

What is

3+((2/9)+(7/9))? (make simple)

4

400

What is

5(1/3)*3(1/7)?

5/7

500

What is

3(3/4)/1(1/3)+3/4?

1 1/2 or 1.5

Circle

100

What is the pi expression?

(until hundredth)

3.14

200

How to find the area of circle?

ㅠr²

300

If the radius of the circle is 4cm, what is the area?

(until hundredth)

50.24cm²

400

How to find the surface area of the cylinder?

2ㅠr²+2ㅠrh

500

If the diameter is 12cm and height is 4cm of the cylinder, what is the surface of the cylinder? (until tenth)

376.8cm³

Random

100

It's sooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo easyyyyyy.

What is 1^1,000,000 ?

1

200

What is √(256)?

16

300

What is the number in scientific notation if 5430?

5.43*10³

400

In pythagorean theorem, if a leg=8cm and b leg=6cm, how long is c?

c=10cm

500

What is

√(9)*9/3³-3/(1/2)?

5 6/33