Integers
True or False:
An integer can be both a positive and a negative number
True
What is a ratio?
A comparison of two numbers.
What are the parts of a fraction
Numerator and Denominator
Inverse means?
GCF stands for_____
Greatest Common Factor
These two things are NOT integers
Fractions and Decimals
What are the different ways you can write a ratio?
Using a colon- 2:3
As a fraction- 2/3
As a word sentence- 2 to 3
Simplify this fraction
2/10
1/5
In order to solve a 1-step equation, you must______
Use the inverse operation
What is 75% as a fraction?
3/4
-20+21=
1
What is a equivalent ratio?
An equivalent ratio shows two ratios that have the same value
To put a fraction in simplest form, you will need to do this to the numerator and denominator:
Divide both by the same number
An equation set up like this is a ______
K / 11 = 16
Division problem
What step would I do second ? (4-2) x 9 + 7 =
Multiplication
A negative plus a negative will equal a_______
Negative
A cookie recipe calls for 3 cups of flour and 2 cups of chocolate chips. What is the ratio of chocolate chips to flour?
2 : 3
Is this a mixed number or an improper fraction:
22/3
Improper fraction
Solve this equation:
3x=27
x=9
A submarine was 1800 ft below sea level. It dove another 1500 feet deeper. Which integer represents its location?
-3300
Write an integer that represents the following scenario:
Withdrawal of $35
-35
In the equivalent ratios below, what did we multiply by to get the ratio on the bottom?
9 : 4
45 : 20
5
A fraction is in simplest form when the numerator and denominator ___________
Have no common factor other than 1
In the equation
x + 7 = 12
7 is being added to the variable, x. How should you show your work to isolate the variable and solve the equation?
Subtract 7 from both sides. The solution is x = 5
Write this as an equation:
2 times the sum of y and 5
2(y+5)