Area Ace
Find the area of a rectangle that is 60 cm × 30 cm. Express your answer in square metres (m²).
18m2
Simplify the ratio 24:56.
3:7
What is 12.5% of 160?
20
Walk 350 m in 70 seconds. What’s your speed in m/s?
5m/s
In your class, the number of students in each school house is:
Moondarra = 6, Julius = 9, Leichhardt = 3, Rifle = 12.
What is the simplified ratio of Moondarra : Julius : Leichhardt : Rifle?
2 : 3 : 1 :4
A square has an area of 1.44 m². What is the length of one side in centimetres?
1.2cm
Simplify the ratio 45:60:75.
3:4:5
What is 18% of 275?
49.5
Type 450 words in 7.5 minutes. What’s your typing speed in words per minute (wpm)?
60wpm
Your class has 24 students and 24 chairs. How many legs are in the room altogether?
144 legs
A shape is made of two rectangles: one is 8.2 m x 5.5 m, attached to another 4.3 m x 3.7 m. What is the total area?
61.01m2
A recipe uses red and blue beads in a ratio of 7:12. You have 84 blue beads. How many red beads do you need?
49
Increase 85 by 35%.
114.75
Drive 225 km in 4.5 hours. What’s your average speed in km/h?
50km/h
The class planted flowers in 3 garden beds. Bed A has 18 flowers, Bed B has twice as many as Bed A, Bed C has 1.5 times as many as Bed B. How many flowers are in each bed? Write your answer as a simplified ratio.
A = 18
B = 36
C = 54
Ratio = 1:2:3
The area of a triangle is 36.75 m². The base is 7.5 m. What is the height?
9.8m
Juice mixes 7:3 of water:cordial. You have 560 mL of water. How much cordial do you need?
240mL
A jacket costs $75 and is on sale for 22% off. What is the sale price?
$58.50
Lay 90 bricks in 4 minutes 30 seconds. How many bricks per minute?
20 bricks/min
There are 18 windows in your school building. Each window has 6 glass panes. If 3 panes break each week, how many panes will be left after 4 weeks?
96 panes.
A room is 6.2 m × 4.8 m. You want carpet. Carpet costs $30 per m². What is the total cost?
$892.80
A pot of paint mixes yellow : red : white in a ratio of 2.4 : 3.6 : 4.8. You need to make 21.6L. How much do I need of each colour?
Yellow = 4.8L
Red = 7.2L
White = 9.6L
A bike costs $950. It is on sale for 25% off, then a 12% tax is added. What is the final price?
$798
Cyclist rides 90 km in 2 hours 15 minutes. What’s the speed in km/h? How far would they travel in 3 hours 30 minutes?
Speed = 40km/h
Distance = 140km
Your classroom has 28 students. Each student brings 2 notebooks. Each notebook has 96 pages. If the teacher asks each student to use 3 pages per day for 5 days, how many pages will be left unused in total?
4,956 pages.