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PASS REVIEW

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PASS REVIEW 3rd Grade Math Review – PowerPoint PPT presentation

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Title: PASS REVIEW


1
PASS REVIEW
  • 3rd Grade Math Review

2
POLYGONS
  • A polygon is a plane figure that is closed with
    thee or more line segments.
  • Polygons are classified based on the number of
    sides and angles they have.

3
Lines, Line Segments, and Rays
  • A line extends forever in both directions. A
    line goes on forever and ever.
  • A line segment is part of a line. It has two
    end points.
  • A ray extends forever in only one direction. It
    has one end point.

4
Types of Lines
Parallel Lines Perpendicular Lines Intersecting Lines
Never Intersect Intersect at a 90 degree angle (right angle) Intersect Each Other
5
Angles
An acute angle is an angle that is smaller than a right angle. An obtuse angle is an angle that is greater than a right angle. A right angle has a square corner a 90 degree angle.
6
Flips, Slides, and Turns

Does this picture show a flip, slide, or turn?
7
Circles
  • Circumference is the distance around the circle.
  • Diameter is the line segment that passes through
    the center point of the circle and touches each
    side of the circle.
  • Radius is a line segment that runs from the
    center point of the circle and extends to the
    outer edge of the circle.
  • The center of the circle is the middle.

8
PerimeterPerimeter is the distance around the
outside of a polygon.
What is the perimeter of this scalene triangle?
What is the perimeter of this rectangle?
What is the perimeter of this square?
What is the perimeter of this equilateral
triangle?
Perimeter Practice
9
Place Value
  • Find the place value of the underlined digit.
  • 1.) 234 4.) 432,894
  • 2.) 4,098 5.) 87
  • 3.) 52,327 6.) 9,769

10
Lets Practice Place Value!
  • Place Value (Models)
  • Place Value (Names)
  • Place Value (Value)

11
Rounding
  • Rounding a number is when you take a number and
    "bump it up" or "bump it down" to a nearby and
    "cleaner" number. A number can be rounded to any
    place value you want.

12
Rounding Rhyme
  • Find your place.
  • Look next door.
  • Five or greater
  • Add one more.
  • All digits in front
  • Stay the same.
  • All digits behind,
  • Zeros your name!

13
Lets Practice Rounding!
  • Rounding Game

14
FRACTIONS
  • A fraction is a part of a whole.
  • Example If I eat 1 piece of the whole pizza
    that was cut into 8 equal slices, I would have
    eaten 1/8 of the pizza.

Click here for practice!
15
Mixed Numbers
  • A fraction that is greater than one is written
    as a mixed number. A mixed number consists of
    both a whole number and a fraction!

Here is a picture of 1 whole pizza a half of
another pizza. The mixed number is 1 ½ .
16
Practice Mixed Numbers!
                                
                                                 
  • In your journal, write the mixed number that
    each picture illustrates.
  •  

17
Odd and Even Numbers
  • An ODD number ends in 1, 3, 5, 7, or 9.
  • An EVEN number ends in 0, 2, 4, 6, or 8.
  • No matter how big or small the number, always
    look at the last digit (the ones place) to
    determine if the number is even or odd.

18
Odd and Even Numbers in Addition
  • Two even numbers added together will ALWAYS
    result in an even answer!
  • 6 6 12
  • 56 4 60
  • Two odd numbers added together will ALWAYS result
    in an even answer!
  • 5 3 8
  • 33 15 48
  • One even and one odd number added together will
    ALWAYS result in an odd answer.
  • 4 3 7
  • 76 21 97

19
Odd and Even Numbers in Subtraction
  • Two even numbers will ALWAYS result in an even
    answer when subtracted from each other!
  • 6 - 4 2
  • 56 - 4 52
  • Two odd numbers will ALWAYS result in an even
    answer when subtracted from each other!
  • 5 - 3 2
  • 33 -15 18
  • One even and one odd number will ALWAYS result in
    an odd answer when subtracted from each other.
  • 4 - 3 1
  • 76 - 21 45

20
Odd and Even Numbers in Multiplication
  • Two even numbers multiplied together will ALWAYS
    result in an even answer!
  • 6 x 6 36
  • 12 x 4 48
  • Two odd numbers multiplied together will ALWAYS
    result in an odd answer!
  • 5 x 3 15
  • 11 x 7 77
  • One even and one odd number multiplied together
    will ALWAYS result in an even answer.
  • 4 x 3 12
  • 5 x 10 50

21
Odd and Even Numbers What do you remember?
  • If I add two even numbers together, will my
    solution be odd or even?
  • If I multiply an odd number and an even number,
    will my solution be odd or even?
  • If I subtract two odd numbers, will my solution
    be odd or even?
  • If I add and even an odd number together, will my
    solution be even or odd?

22
Measurement
Capacity Capacity
Customary Metric
Fluid Ounce Milliliter
Pint
Quart Liter
Gallon Kiloliter
Length Length
Customary Metric
Inches Centimeters
Feet
Yards Meters
Miles Kilometers
Mass Mass
Customary Metric
Ounce Gram
Pound Kilogram
23
MeasurementCustomary Units
Oil for your car comes in a quart-sized container.
A small cup of coffee holds approximately 1 cup.
Each of these medicine cups holds 1 fluid ounce
of medicine.
This milk jug holds 1 gallon of milk.
24
Measurement Comparing Units
Miles and kilometers used when measuring
distance. A kilometer is about one-half of a
mile.
A meter is slightly more than a yard. As you can
see here, the yard stick and meter stick are
similar to one another.
The water bottle is equal to one liter and the
chocolate milk bottle is equal to one quart. A
liter is slightly more than a quart.
quart
liter
25
Measurement Comparing Units
A paper clip has a mass of approximately one
gram. There are approximately 28 grams in one
ounce. Ounces and grams are similar units.
A tennis shoe has a mass of approximately one
kilogram. A kilogram is slightly more than two
pounds.
26
Lets TEST your measurement KNOWLEDGE!
  • 1.) A centimeter is about the same as
  • a. one finger width
  • b. width of someones wrist
  • c. length of a desk
  • 2.) A fluid ounce is about the same as
  • a. cup of apple juice
  • b. amount a bathtub holds
  • c. two tablespoons
  • 3.) An inch is about the same as
  • a. width of someones knee
  • b. length of someones knuckle
  • c. height of a chair
  • 4.) A pint is about the same as
  • a. 16 ounce coke
  • b. gallon of milk
  • c. length of a yardstick
  • 5.) A foot is about the same as
  • a. Length from an elbow to someones wrist
  • b. Length of a classroom
  • 6.) A yard is about the same as
  • a. width of a pencil
  • b. height from the floor to someones hip
  • c. the distance from school to McDonalds
  • 7.) A liter is about the same as
  • a. amount a swimming pool holds
  • b. one teaspoon
  • c. half of a two liter coke
  • 8.) A meter is about the same as
  • a. half the height of a normal size door
  • b. width of a school gym
  • c. amount a coffee cup holds
  • 9.) An ounce is about the same as
  • a. weight of a baby
  • b. lenth of a classroom
  • c. a single strawberry
  • 10.) A pound is about the same as
  • a. a bundle of bananas
  • b. the distance from Charlotte to Atlanta

27
Dot Plots / Line Plots
  • Practice
  • Dot Plots!

28
Bar Graphs
  • Practice
  • Bar Graphs!

29
Pictographs
  • Practice
  • Pictographs!

30
Tables
  • Practice
  • Interpreting Data in Tables!

31
Finding Range
  • Find the range of the following data sets in your
    math journal.
  • 1.) 4, 9, 0, 2, 2, 3, 8, 4
  • 2.) 39, 10, 29, 23, 42
  • 3.) 189, 187 , 156, 204

32
Range
  • Range The range of a set of data determines how
    spread out the data is. In order to find the
    range, you simply follow 2 very simple steps!
  • Steps
  • 1.) Order the numbers from Least to Greatest.
  • 2.) Take the greatest number and subtract the
    smallest number. Your answer equals the RANGE!
  • Greatest Number
  • - Smallest Number
  • Range

33
Probability Likely, Unlikely, Certain, Impossible
  • Practice
  • Probability

34
Decomposing Numbers
  • 367
  • The number 367 can be decomposed or broken up
    into smaller parts!
  • It would look like this
  • 300 60 7

35
Decomposing Numbers
  • Decompose the following numbers in your math
    journal.
  • 1.) 78
  • 2.) 675
  • 3.) 2,029
  • 4.) 12,098
  • 5.) 198,334

36
Patterns
  • Practice
  • Patterns
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