Topic 3
Topic 4
Topic 6
Topic 7
100
5 x (26 - 13)
65
100
What is the difference between an equation and an expression?
An equation has an equal sign, while the expression doesn't.
100
What is 13/20 as a percentage?
65%
100
What is the area of a rectangle with the width of 9in and length of 16in?
144in2
200
Mr Poukamissas is getting paid. To find how much he is getting paid, he makes an algebraic expression. He writes,
5 x (36 x 8)
How much does he get paid this week?
$1440
200
Is 2.5 - 1 = 1 - 2.5 true or false?
False.
200
Mr Poukamissas is going to miss 15% of the school year. If there are 180 days in a school year, how many days will he miss?
27 days
200
what is the formula for the surface area of a cube?
A=6a2
300
(36 / 3) +52
64
300
When is an equation true?
For an equation to be true, make sure that the values on each side of the equal sign are the same.
300
Sandy got 80% for her math test. On the same test Riaz got 15 out of the 20 questions correct. Who got the higher percentage?
Sandy
300
What is the definition of surface area?
Surface area is the amount of space covering the outside of a three-dimensional shape.
400
15 + 2 x (16 / 4) + 5 x 2
33
400
Substitute each given value of the variable to find which, if any, is a solution of the equation.
13.4 - g = 8.1 g = 4.3, 5.3, 5.5, 6.5
5.3
400
Someone buys 1 pack of Cola on Sunday. On Monday, he drinks 36% of the pack. If there is 12 colas in each pack, how many more should he buy?
9
400
What is the surface area of a rectangle with the length of 10 cm, the width of 6 cm and the height of 4 cm?
248 cm2
500
At a 3 year old child's birthday party, they ordered 20 boxes of pizza, 10 dozens of donuts, 15 soda bottles, 20 water bottle packs, and 25 gift bags. One box of pizza and 1 box of donuts both cost 10$ each. 1 bottle of soda costs 3.25$ and 1 bottle of water costs 0.40$. 1 pack has 12 bottles of water. One gift bag has 7.86$ worth of stuff. Write an expression of the cost of the party supplies and food and simplify it.
expression: (20+10) x 10) + (15 x 3.25) + (20 x 12) x 0.40$) + (7.86 x 25)
simplified- 641.25
500
A pan balance has 3 cubes on one pan and 11 cubes on the other pan. Omar thinks he should add 7, 8, 9, or 10 cubes to make the pans balance. How can you use the equation 3 + c = 11 to find the number of cubes Omar should add?
8=c
500
Dan buys a pack of granola bars for 12$. Then he buys a juice box pack for 10.30$. He uses a coupon for 30% off an order 20 dollars and more. Is he eligible for the coupon? If so, how much does he pay? How much does he save?
Yes. He pays $15.61.
500
What is the formula for surface area?
SA=2(LW)+2(WH)+2(LH)