Scale Drawings
Proportions
Percents
Expressions and Equations
Angles
100
What is a definition of a scale copy?
A figure that is geometrically similar to the original figure.
100
What is the definition of proportion?
An equation that state that two ratios are equal
100
What is a Percentage?
A portion of a whole expressed as a number between 0 and 100 rather than as a fraction
100
What is a term?
Parts of an expression separated by + or – signs
100
What is a complementary angle?
Either of two angles whose sum is 90°.
200
What is a definition of a scale factor?
A measure for similar figures, who look the same but have different scales or measures
200
What is a definition of constant proportionality?
The constant ratio of one variable quantity to another to which it is proportional
200
What is ten in this situation?
10%
a percentage
200
What is the variable
An unknown quantity or expression whose value can change.
200
What is a supplementary angle?
Either of two angles whose sum is 180°.
300
What is the relationship between these two figures?
Scale drawing
300
What is the definition of proportional relationships?
A relationship between two quantities in which the rate of change is constant, or the ratio of one quantity to the other is constant
300
If you're planning to walk 100 km, what is the percentage of the total when you walk 57 km?
57%
300
What is an expression?
Terms put together by addition and/or subtraction
300
What is a vertical angle?
Each of the pairs of opposite angles made by two intersecting lines.
400
A scale drawing of a rectangular painting is 3 cm wide and 5 cm long.
The actual painting is 6 metres wide. What is its area?
* USE YOUR BRAIN FOR THE CALCULATION
60 metres^2
400
The original recipe for baking a bread was 4 cups of milk and 16 cups of flour and it is for 3 person. What is the ratio of cups of milk and cups of flour for one person?
4/3 : 16/3
400
2/3 of a cup of pancake mix makes 6 pancakes.
how many pancakes can you make with 4 cups of pancake mix?
36 pancakes
400
Solve
-2/3(6x-3)(6x+3)=0
Unlimited time
x=1/4
400
The supplementary angle is 20+6x-2
What is x?
x=12
500
A rectangle that is 3 inches wide and 5 inches long have a relation with another rectangle.
If the scale factor is 6, what is the area of the another rectangle?
540 inches squared
500
Yoku is putting on sunscreen. He uses 2 ml to cover 50 cm^2 of his skin. He wants to know how many milliliters of sunscreen (c) he needs to cover 325 cm^2 of his skin.
How many milliliters of sunscreen does Yoku need to cover 325 cm^2 of his skin?
13 ml
500
You have $400 in your bank account. If the money increase 5% yearly, how much is the money in your bank account after 3 years?
$473.55
500
What are the values of each term?
x+y=4
3x+4y=0
x=16
y= -12
500
There is a vertical angle
If x+y = 50, what is the value of x and y?
x=30, y=20