Year In Review - Krish

Expanded and Simplified forms

100

3(4x+6)

What is simplified form of 12x+18?

Other answers work to but this is an example

200

15x+30

What is the expanded form of 3(5x+10)?

Other answers work to but this is an example

500

5(15x12+20y)

What is simplified from of 75x+60+100y

Other answers work to but this is an example

Equations

100

y=mx+b

What is the equation to find a straight line?

200

y=mx+b

b= y-intercept

What does b stand for in the equation?

300

d=2r

What is the the equation to find the diameter of a circle?

400

P = 4s

What is the equation to find the perimeter of a square?

500

π r² h

What is the equation to find the volume of a cylinder?

Cube and Square Roots

100

2

What is square root of 4?

200

64

What is 8 squared?

300

7

What is square root of 49?

400

121

What is the 11 squared?

500

343

What is 7 cubed?

Triangles

100

Triangle Angles A =60  B =30 C =

C =90

What is the missing side of the triangle?

200

Equarataral Triangle

What is a triangle called when its all sides are the same size?

300

Scalene Triangle

What is the triangle called with no equal sides?

400

Obtuse Angle

What is the name of the angle that is more than 90*?

500

Isosceles Triangle

What is the triangle called with 2 equal sides?

Random

100

0.75       4/100

0.333    -0.60

-6/5       5687

What are some examples of rational numbers?

200

π

√(15)

√(2)

What are some examples of irrational numbers?

300

4.5x10⁴

What is the scientific notation of 45,000?

400

6,500

What is the expanded form of 6.5x10³?

500

Felicity asked 100 students how they came to school one day. 

Each student walked or came by bicycle or came by car. 

49 of the 100 students are girls. 

10 of the girls came by car. 

16 boys walked. 

21 of the 41 students who came by bicycle are boys.

Ans - 35 

Work out the total number of students who walked to school?