Stem 1: Number Sense
(-4) x (2) x (-5) / (-2)
-20
A graph creates a straight line after the function was plotted. The relation is said to be...
linear
What is the Pythagorean Theorem formula?
a2 + b2 = c2
What is the difference between theoretical and experimental probability?
Theoretical is what should happen, experimental is what actually happens.
What was the first unit we did in math this year?
Congruency and Transformations
3/6 x 4 1/2 is...
2 1/4
Solve 4x + 8 = -8
x = -4
What does it mean to be congruent?
Shapes that are the same size and shape, orientation does matter.
What is the probability of flipping a heads and rolling an odd number?
1/2 x 3/6 = 1/4
Who are the grade 9 math and science teachers?
Ms. Hampton, Mr. Anderson, Ms. Bessem, Ms, Waseem
There are 12 bananas and 5 apples in a fruit tray. If the deluxe fruit tray has 48 bananas, how many apples will it have?
20
Five parents donate an equal amount of money to the school. There is also a donation from a company for $500. If the total amount of money donated was $1000, how much money did each parent donate?
$100
Name all 15 perfect squares.
1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225
What kind of data is a line graph used for?
Data that has change over time.
Name a concept we learned in math that relates to something we learned in science. Discuss the connection!
Answers may vary
A rectangular table is 16ft by 4ft. John wants a square table with the same area as the rectangular one, to fit his space better. What side lengths does he need for his square table?
8ft
Solve the following.
9(x - 1) = -36
What is -3?
A cylinder has a radius of 10cm and a height of 2cm. The volume of the cylinder is...
What is 628 cm cubed.
A student in grade 8 used a bar graph to represent the time he spent on studying for each exam, out of his total study time. His teacher said there is a better type of graph he could have used. What type of graph should he have used instead and why?
Circle graph as it represents part of a whole
Discuss a connection between 2 math units. Detail must be included.
Answers may vary.
A side of Ari’s aquarium is a square with an area of 190 square inches. The number of inches of each side is between these two whole numbers.
What is 13 and 14
This is an equation that matches the following statement. Six less than four times a number is two more than three times that number.
What is 4n - 6 = 3n + 2
A rectangular prism has a width of 10 cm, a height of 4 cm, and a length of 6 cm. What is the surface area?
248 cm squared
A bag of marbles has 9 red, 4 blue, 12 green, and 5 yellow. A student wants to know the probability of pulling a red marble, then a green marble, without putting the first marble back.
9/30 x 12/29 = 108/870 = 54/435
Solve the following.
(-3) x (-9) - (1/2 x 4 2/3 + 0.5 x 2/3 x 4/8)
24 1/2