KNOW YOUR NUMBERS
MATH VOCABULARY
FORMULAE
NAME OR SOLVE

100

What are the first five (5) prime numbers?

2,  3,  5,  7,  11.

100

It is the top number of a fraction.



Numerator

100

What is the formula for distance around this park?


2 length + 2 width

2 ( l + b )

100

How many cubes are in this stack?


36

200

What are the factors of 21?

1, 3, 7, 21

200

It is a straight line that passes through the centre of the circle and has endpoints on the circle's circumference. 


Diameter

200

Calculate the area of the compound shape below.



30cm2 + 36cm2 = 66cm2

200

What is the name of this solid?

Square-based pyramid.

300

What is:  -2 + 9

7

300

After arranging your data or numbers in ascending or descending order, it is the middle value.



Median

300

The circumference of a circle is 88cm.  Using the formula

C = diameter x pi

Calculate the diameter of the circle.

Use pi = 22/7

Diameter = 28cm.

300

Solve 4x + 9 = 21

x = 3

400

What is the next number in the pattern?

  16,  25,  36, 49, 64, _____

81

400

The name of a straight line drawn at an angle of 90to a given line.



Perpendicular

400

When the distributive law is applied

2(y + 4) =

A. 2y + 4

B. 2y + 6

C. 2y + 8

D. 8y

400

What is the name of this instrument?


Compass

500

The square root of this number is 14.

What is the number?

196

500

What is the name given to a number that is multiplied by a variable?

Example: The  name of the number 3 in:

3+ 4

A. Constant

B. Variable

C. Coefficient

D. Term

500

Calculate the volume of this shape.


1540 cm

500

what is the value of the yellow triangle?


5