Percentage
Express 30.5% as a decimal
0.305
Simplify the ratio 12:66:54
How do we find the perimeter of a semicircle?
List two properties of a rhombus.
1. Equal sides
2. 2 pairs of parallel lines
3. Equal opposite angles
4. Made up of 2 identical isosceles triangles
Express 5/25 as a percentage
20%
A handphone costs $80 including a 7% GST.
How much GST did the buyer pay?
Show your working and express your answer with 2 decimal places.
$5.23
5 : 9 : 3 = ___ : 81 : ___
What is the equivalent ratio?
45 : 81 : 27
If the radius of a quadrant is 7 cm, what is its perimeter?
Show your working. (Use pi = 22/7)
25 cm
Geometry 200
35o
Write down one decimal between 2.1 and 2.2
At first, Ling had 60 textbooks and some storybooks. After she gave away 10 textbooks and 20% of the storybooks, she had a total of 118 books left.
How many storybooks did Ling have at first?
85
Sally had 40 stamps and Ting had 32 stamps. After Sally gave some of her stamps to Ting, the number of stamps Sally and Ting had were in the ratio 1:2.
How many stamps did Ting have in the end?
48
Find the perimeter of the unshaded part.
(Use pi = 3.14)
Circles 300
85.68 cm
Geometry 300
132o
A box contains red, blue and yellow beads. 1/4 of the beads are red. 2/9 of the remaining beads are blue. What fraction of the beads in the box are yellow?
7/12