Fractions
Percentages
Area
Geometry
Mentals
100
How is one half written as a fraction?
1/2
100
What is 10% of $50
$5
100
What is the area of a square with sides of length 5m
25 m2
100
how many sides does a rectangle have?
4
100
15+10=
25
200
1/2 + 1/2 =
1
200
10% of 467kg =
46.7kg
200
A rectangle has a length of 20cm and a height of 15cm, what is its area?
300cm2
200
A six sided shape is call a .....
hexaobn
200
4x26=
104
300
1/2 + 1/4 =
3/4
300
25% of 30 seconds
7.5 seconds
300
What is the fornmula for the area of a triangle?
A = 1/2 x b x h
300
Describe a triangular prism
Has a triangular base and parallel sides. (the cross section, perpendicular to the axis of the prism, is the same shape and size as the base)
300
298 + 66 =
364
400
1/2 x 1/3 =
1/6
400
Grace was buying Christmas presents at Macarthur Square. She started with $60. She spent 10% How much dit she have left?
$54
400
Calculate the area of the triangel that has a base length of 3 mm and a height of 16mm.
24 mm2
400
How many verticies does a hexagonal pyramid have?
7
400
645 + 25 - 120 + 33 =
588
500
3/4 + 5/6
19/12 = 1 7/12
500
Jonathan put $26 in the bank. After 1 year of interest it increased by 5%. How much did he have at the end of the year?
10% of $26 is $2.60 5% 0f 26 is half of that ie $1.30 $26 + $1.30 = $27.30
500
What is the surface area of the following shape? A rectangle (length 4m and height 2m) with a triangle attached at each end. The length of the whole shape is 10m
14 m2
500
Describe a rhombus
It has 4 sides. The opposite sides are parallel to each other.
500
1/2 + 3/4 + 1 1/4
2 1/2