Fractions & Decimals
A shop sells chocolate bars for $2.75 each. If you buy 3.2 chocolate bars, how much will they cost?
8.80$
Variable
Letters (like x, y, z) that represent unknown values.
80% of 20
16
if it's 2 dollars for every cupcake how many dollars would 12 cupcakes cost
24
1/2 =
(Name anything that is equal to 1/2
2/4, 3/6 4/8 5/10 and etc.
Constant Variable
Numbers that don't change their value are called constants.
20% of 75
15
There are 8 red balls and 4 blue balls in a bag. What is the ratio of red balls to blue balls?
( simplified and regular answer )
8:4
2:1
6/12 + 4/12
10/12
Coefficient
The number that is multiplied by the variable in an algebraic expression.
20% of 40
8
is the equation below a COP
2:1
4:2
6:3
8:4
yes
4.65 divided by 2
2.325
Evaluate
To solve
40% of 10
4
John and Mary share $50 in the ratio of 2:3
John gets 2 $ for every 3$ Mary gets
How much would they get if they share 50$
John would get 20$
Mary Gets 30
If a basketball player makes 3 out of 10 shots
( decimal form )
.3
Algebraic expression
a equation with numbers in variables
Example : 3x + 6 + 24
80% of 15
12
if I can type 150 words in 5 minutes, how many words could I type in 15 minutes
450