Post on 22-Feb-2016
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Finding the Missing Angle of a QuadrilateralSteps for Solving:1. Add the known angles.
2. Subtract that sum from 360.
3. If there is a picture, check to see if the angle is reasonable. (obtuse, right, acute)
Writing Equations Using Sequencing Tables
Look for a relationship betweenthe x and y data.
Test the rule on the rest of the pairs of numbers:
Test each answer choice!
Probability as a FractionStart with the first answer choice. Do this for each one until you get a fraction that works!
1. Organize your info:Write in a column how much of each color.
2. Add to find out how many color tiles total. That will be the denominator.
3. The question only asks about blue tiles. (preferred possibility) Write the number of blue tiles as the numerator.
4. Simplify.
5. The question asks which answer choice results in 1/3. If the fraction you end up with is not 1/3, try the next answer choice.
Radius and Diameter
Line Plots
It consists of a number line that includes the values of the data set.
An X is placed above the corresponding value each time that value appears in the data set.
A line plot represents a set of data by showing how often a piece of data appears in that set.
Circumference of CirclesThe formula for finding the circumference of a circle is:
C=2∏r
Example:
Writing Equations for Word ProblemsSteps for Solving:
1. Organize the information.
2. Solve the problem, even though the question doesn’t ask you for a solution.
3. Select the answer choice that describes your solution.
Using a Protractor to Measure AnglesNotice that one of the rays of angle RNP is not lined up with the zero.• Follow each ray and record where each intersects the protractor. • Subtract to find the difference of those two numbers.• Is your answer reasonable? An acute angle should measure less than
90 degrees. An obtuse angle should measure greater than 90 degrees.
Types of Triangles
Order of Operations
• Parentheses• Exponents• Multiplication/Division• Add/Subtract
Types of AnglesAcute (less than 90⁰)
Obtuse (greater than 90⁰)
Right (equal to 90⁰)
Straight (180⁰)
Numbers in a Sequence• Starting with the first number.
What would you have to do to that number to result in the second number? Write that down.
• Starting with the second number, what would you have to do to that number that would result in the third?
• Continue this process through all of the numbers.
• Use that pattern to predict the next two numbers if that pattern continued.
Elapsed Time• On a number line, mark the
time he left.
• Jump ahead by 1 hour jumps, stop before you pass the time he returned.
• Then, jump ahead using minutes until you reach the time he returned home.
• Count up the hours, and count up the minutes.
Finding the MeanMean = average• Add the numbers.
• Divide by how many numbers you have.
What is the mean number of the jacks brought by her friends?
Writing Equations for Word Problems
Steps for Solving:1. Organize the
information.
2. Solve the problem, even though the question doesn’t ask you for a solution.
3. Write an equation that describes your solution.
Fraction Models
Integers Question
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Sales Tax Question
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Complementary and Supplementary
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Integers Question
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Integers Question
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Circle GraphLook at the percentages for each soup in the question.
Write the soup names in order from least to greatest percentage.
Find the circle graph that represents that data.
Finding the Missing Angle of a Triangle
Steps for Solving:1. Add the known angles.
2. Subtract that sum from 180.
3. If there is a picture, check to see if the angle is reasonable. (obtuse, right, acute)
Stem and Leaf Plots:The stem is the 10s place.
The leaves are the 1s place.
The top row of the problem below represents:22, 24, 28, 28, 28, 29, 29
Mean, Median, Mode, and Range
Mean is the average. (add the numbers. Divide by how many numbers there are.)
Median: With numbers arranged in order from least to greatest, the median is the middle.
Mode: The number that occurs most often.
Find the least value, greatest value, mean, median, mode, and range of the data set.
Integers Question
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Writing Equations for Word Problems
Steps for Solving:1. Organize the
information.
2. Solve the problem, even though the question doesn’t ask you for a solution.
3. Write an equation that describes your solution.
Finding the Missing Angle of a Parallelogram
How to Solve:Opposite angles of parallelograms are equal.
If you have the measure of the angle opposite of the one being asked, you have the answer!
Finding the Area of a Triangle
Median, Mode, Range
Mean, Median, Mode, and Range
Mean is the average. (add the numbers. Divide by how many numbers there are.)
Median: With numbers arranged in order from least to greatest, the median is the middle.
Mode: The number that occurs most often.
Range is the difference between the highest and lowest numbers.
Numbers in a Sequence• Starting with the first number.
What would you have to do to that number to result in the second number? Write that down.
• Starting with the second number, what would you have to do to that number that would result in the third?
• Continue this process through all of the numbers.
• Use that pattern to predict the next two numbers if that pattern continued.
Gallons to cups
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Median
Write the numbers in order from least to greatest.
Find the number in the middle. That is the median.
If the middle falls between two numbers, find the midpoint of those numbers.
Mean question
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Complementary and Supplementary
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Combinations question
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Feet and Inches
How to Solve:For each section of rope, add the feet together (leave the inches for now).
Now, add just the inches together.
Divide the inches by 12. Add that number to the feet that you had in the first step.
Look at the remainder to see if you should round up or down to the nearest foot.
Percent to decimal
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area
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Types of Triangles