Probability
A spinner has 4 equal sections: red, blue, green and yellow. What is the probability of landing on blue?
1/4
Find the perimeter of a rectangle with length 12 cm and width 7 cm.
38 cm
-3 + 9
6
Simplify:
12/18
2/3
3x+5x
8x
What is the largest mammal in the world?
Blue whale
A standard 6-sided die is rolled. What is the probability of rolling a number greater than 4? You must simplify your answer!
2/6 = 1/3
Find the area of a triangle with base 10 cm and height 9 cm.
1/2 x b x h
1/2 x 10 x 9
45 cm2
-12 - (-7)
-5
Calculate
3.7 + 5.84
9.54
7a -3a - 4 + 12
4a + 8
What is the only mammal capable of true flight?
Bat
A card is randomly drawn from a set of cards, each with one letter from the word “DORITOS”. List the sample space of possible outcomes.
{D,O,R,I,T,S}
Find the circumference of a circle with radius 5 cm.
(Use π=3.14\pi = 3.14)
C = 2 x π x r
C = 2 x π x 5
C = 31.4 cm
-8 x 5
-40
Amelia sells a board game to Mason for $47. Mason gives her a $100 note. She bought the board game for $32.
How much profit did Amelia make?
How much change should Mason receive?
Profit = $15
Change = $53
4(2x−3)
8x - 12
In the world of video games, which company created Minecraft?
Mojang
A coin is tossed 40 times. It lands on heads 13 times. What is the experimental probability of landing on tails?
13/40
Find the volume of a rectangular prism with dimensions 4 cm, 6 cm, and 10 cm.
V = area of base x height
V= 4 x 6 x 10
V = 240 cm3
-10 + 4 x (-3)
-22
A baker baked 120 muffins. If 2/5 of the muffins are chocolate and the rest are plain, how many plain muffins did the baker bake?
72
Solve for x:
5x−7=18
x = 5
Which element has the chemical symbol Fe and is commonly used to make steel?
Iron
A large jar contains 12 red, 17 blue, 25 green and 5 yellow beads. If one bead is selected at random, what is the probability that the bead is either blue or green? You must simplify your answer!
42/60 = 7/10
A car travels 180 km in 2.5 hours.
What is its average speed in km/h?
180/2.5 = 72 km/h
The temperature at midnight was –12°C. By morning, it increased by 18°C, then dropped by 5°C in the afternoon. Overnight, it dropped by twice the morning increase. What is the final temperature?
-35°C
A laptop originally costs $1200. The price increases by 15%.
What is the new price?
15% x 1200 = $180
1200 + 180 = $1380
Sneaky measurement one!
A right-angled triangle has 2 shorter sides with lengths of 6 cm and 8 cm. What is the length of the hypotenuse?
a2 + b2 = c2
h2 = 62+82
h2 =36+64
h2=100
h = square root of 100 =10
In human anatomy, there is a bone that is commonly called the collarbone. What is its correct anatomical name?
Clavicle