Triangles
Improper Fractions & Mixed Numbers
Ratio & Percent
Area, Perimeter & Volume
Tricky Problems
100
What is the missing angle? Show how you know.
60°+70°= 130°
180° - 150° = 30°
The missing angle is 30°
100
Write 11/4 as a mixed number
2 3/4
100
A class has 8 boys and 12 girls. What is the ratio of boys to girls?
8:12
Double points if you reduced to simplest form:
2:3
100
Write a formula that could be used to find the perimeter of the trapezoid below.
Possible Answers:
P = S1+S2+S3+S4
P = (2xS1)+S2+S
100
I am thinking of a number. Double it and add 6 to get 20. What number am I thinking of?
7
200
Name this triangle by its sides and its angles
This is an acute isosceles triangle
200
Write 8 2/5 as an improper fraction
42/5
200
What is 25% of 80?
20
200
Use a formula to find the volume of a rectangular prism that is 6 cm long, 4 cm wide, and 5 cm high.
V = l x w x h
V = 6cm x 4cm x 5cm
V = 120 cm3
200
Three friends share 28 marbles. Liam has twice as many marbles as Maggie. Hudson has 4 marbles.
How many marbles does Liam have?
Liam has 16 marbles.
300
True or false: A triangle can have one right angle and one obtuse angle.
Prove it.
These angles would be greater than 180°
300
What is 1 1/2 + 2 3/4 ?
4 1/4
300
There are 220 students in Middle Level. If 60% ride the bus, how many students ride the bus?
132 students ride the bus
300
A rectangle has a perimeter for 30m. The length is 9m. What is the width?
The length is 6m
300
A movie starts at 2:45 PM and is 1 hour and 35 minutes long. What time does the movie end?
The movie ends at 4:20
400
Draw a triangle that has one angle that is exactly 95°. What kind of triangle is this?
This is an obtuse triangle
400
Which fraction is greater?
11/4 or 2 3/5 ?
If you convert to a mixed number, you can see that
2 3/4 > 2 3/5
400
A fruit punch recipe uses juice and water in a 2:5 ratio. If you use 10 cups of water, how much juice is needed?
4 cups of juice would be needed for 10 cups of water
400
A rectangle has an area of 48cm2, and a width of 6cm. What is the perimeter of the rectangle?
Since the length of the rectangle has to be 8cm. The perimeter of the rectangle is 28cm.
400
You buy 3 notebooks for $4 each and 2 packs of pencils for $5 each. You pay with $30. Then tax adds $2. How much change do you get?
You would get $6 change
500
A rectangle has an of 72 m2 . A diagonal line divides it into 2 equal triangles. What is the area of one triangle?
**200 pt bonus: can you think of a formula that could be used to find the area of a triangle?**
The area of the triangle would be 36 m2S
Since a triangle is half of a rectangle:
A = (lxw)/2
or
500
A recipe needs 2 3/4 cups of flour. How much flour do you need if you double the recipe?
Reduce the your fraction to its simplest form
You need 5 1/2 cups of flour
500
A trail mix recipe uses 1 cup of raisins, 2 cups of peanuts, and 3 cups of dried fruit.
How many cups of dried fruit would be used if you make 18 cups of trail mix?
9 cups of fruit would be used for 18 cups of trail mix.
500
EXTRA TRICKY!
A rectangle has a perimeter of 40cm. The length is 4cm longer than the width.
What is the area of the rectangle?
width = 8cm
length = 12cm
So Area = 96cm2
500
A farmer has chickens and cows. There are 18 heads and 52 legs total. How many cows are there?
8 cows, 10 chickens