Formulas
Algebra
Area
Perimeter
Circles
100
What is the formula for area of a trapezium?
A = (b1+b2)/2 x height
100
Find the area of the rectangle to the nearest 2 d.p
36.54 ft2
100
Find the area of the parallelogram with a base of 10m and a height of 12m round to the hundredths place if necessary.
120m2
100
What is perimeter?
Perimeter is the outside edge of a shape
100
Define radius?
Radius is half the diameter.
The distance from the middle point of a circle
200
Come up with a formula for the diameter of a circle.
D = C/pi
200
Solve
8x + 71 = 20
-51/8
200
What is the area of a triangle if the base is 3.5 cm and the height is 7 cm? round to the hundredths place.
A = 12.25 cm2
200
Calculate the perimeter of the shape below:
20
200
What part of a circle is made by a chord and arc
segment
300
Find the perimeter of a circle with a radius of 6 and a 36 degree angle. Give your answer in terms of pi (draw on board)
2pi + 12
300
Find the area of a rectangle with sides (x+12) and (x+7)
x2+19x+84
300
What is the area of this triangle to the nearest hundredths place if necessary.
A = 10.15 ft2
300
calculate the perimeter of this shape:
51m
300
what is the equation of a circle with a radius of 6
x2+y2=36
400
is 4x + 4y = 2(2x+2y) an:
- equation
-formula
-identity
or
-expression
identity
400
Factorise x7y4z12 + x2y8z
x2y4z (x5z11+y4z11)
400
What is the area of a triangle with a base of 15 cm and h = 8 cm?
What is 60cm2
400
calculate the perimeter of the shape below:
36 cm
400
Show picture
45
500
if y = x2 + 2x - 5
What is y when x = -3
y = -2
500
Is 231 in this sequence:
4, 10, 16, 22, 28...
Must have workings
No
500
A parallelogram has a base length of 15 meters, a height of 7 meters, and a slant height of 10 meters.
Calculate the area of the shape.
105 m2
500
What is the perimeter of this shape:
40
500
what is the equation of a circle with a radius of 6
x2+y2=36
600
Create two equations with this information:
A sequence contains 100 terms
The 2nd term and 18th term are 18 and 63
2x+y = 18
11x+y=63
600
What is the 100th term of this sequence:
25/7, 21/10, 17/13, 13/16
-371
600
What is the steepest line?
y = 3x -3
2x-y=3
3x+y =3
teacher check
600
Find the perimeter:
32m
600
A circle is enclosed by a square as shown in the diagram. Each side of the square measures 8cm. Find the area of the shaded region. Give your answer correct to 1 decimal place.
13.7