Maths

Number Theories

100

A number that divides evenly into another number

Factors

200

The number that can only be divided by one and itself

Prime

300

Include 0 and all positive numbers, no decimals or fractions

Whole number

400

numbers that cannot be made into a fraction

Rational Numbers

500

numbers that follow after one another

Consecutive Numbers

Geometry

100

What is the area of triangle?

  1/2 bh

200

What is the circumference of the circle?

2π r (or) π d

300

What is the volume of cylinder? 

πr²h

400

What is the Surface Area of rectangular prism? 

2 (LW + hL +HW)

500

What is the volume of cone?

1/3 π r²h

Unit Conversion

100

How many centimeter in one Kilometer?

100,000 cm 

200

How many Liter in one Centiliter?

0.01L

300

How many hours in one week?

168hrs

400

How many ounces in three pound (Lb)? 

1 ounce = 16 pound (Lb)

3 ounces = 3*16 =48 Lbs

500

How many cup in one one gallon?

16 cups

Percent, Decimal Fraction

100

Convert 0.5 into fraction

1/2

200

Convert 3/50 into decimal

0.06

300

In a class, 3/4 percent are girls. What percent are boys?

1/4 = 25% are boys. 

400

Convert 12.5% into fraction

1/8

500

In a survey of 100 people, 6 people did not know how to ride a bike. How many could ride a bike?

94% could ride a bike

Order of Operation

100

44 - 2 x 9 = ?

26

200

8 x (3 x 2 - 8) + 10 = ?

-6

300

( 3 x 5² ÷ 15) - ( 5 - 2²)

4

400

( -3 + 2) + 8 ÷ 2 x 4

15

500

(22 ÷ 2 - 2 x 5)² + (4 - 6 ÷ 6)² 

10