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CMT Review
Mastery Test - Practice
24
Mathematics
4th Grade
02/23/2006

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Cards

Term
What does the term ABOUT mean?
Definition
ABOUT means to estimate or find the closest answer. You do NOT have to find the exact answer for this type of problem.
Term
What is the average of the following numbers:

4 5 1 2 8 ?

Remember - add all of the numbers - then divide by the total number
Definition
4 + 5 + 1 + 2 + 8 = 20

Divide this by 5 and the average would be 5.
Term
On a bar graph, which is the X and Y axis? Think about coordinates ( 4, 6)
Definition
( 4, 6)

The first number goes on the X axis and the second number goes on the Y axis...

So, go across 4 and then go UP 6.
Term
Can you fill in the conversions?

1 Foot = ____ inches
1 Yard = ____ feet
1 meter = ____ inches
1 meter = ______ centimeters
1 centimeter = _____ millimeters
Definition
1 Foot = __12_ inches
1 Yard = _3_ feet
1 meter = _39__ inches
1 meter = __100___ centimeters
1 centimeter = _10_ millimeters
Term
What is capacity?
Definition
Capacity is the amount a container can hold.
Term
1 Gallon = _____ quarts

1 Quart = _____ pints

1 Pint = ______ cups

1 Cup = _______ ounces
Definition
1 Gallon = _4_ quarts

1 Quart = __2__ pints

1 Pint = __2__ cups

1 Cup = __8_ ounces
Term
If you have a box that is 5 feet by 5 feet - what would the area and perimeter be?
Definition
To get the area = multiply 5 * 5 to get an area of 25 SQUARE FEET.

To get the perimeter, add all 4 sides, to get a perimeter of 20 feet.
Term
What is an equilateral triangle?

Hint: What word do you hear in equilateral?
Definition
Do you hear the word equal? Well an equilateral triangle has all of the angles that have the same measurment.
Term
What is the difference between a triangle and a pentagon?
Definition
A triangle has only 3 sides and a pentagon has 5 sides. Remember penta- means five.
Term
What is the difference between a nonagon and a hexagon?
Definition
A NONAgon has 9 sides and a HEXAgon has 6 sides.
Term
What is the difference between an ocatagon and a decagon?
Definition
An Octagon has 8 sides and a decagon has 10 sides.
Term
What is the difference between a heptagon and a quadrangle?
Definition
A heptagon has 7 sides and a quadrangle has 4 sides. Remember hepta- means 7 and quad- means 4.
Term
For a shape to be a polygon, you need 4 things to be true... do you know what they are?
Definition
1. It must be flat and 2 dimensional
2. It must have all straight lines
3. The shape must be closed
4. There can be no intersecting lines.
Term
When you hear the word probability, which of the following words are you likely to be using?

a- exact b- most likely c - can't be
Definition
Probability will give you the most likely choice - However, you can't be exact when finding probability.
Term
If 1 Pound has how 16 ounces, how many ounces in 2.5 pounds?
Definition
1 pound has 16 ounces, 2 pounds has 32 ounces and half of a pound is 8 ounces ...

so 32+8 = 40 ounces.
Term
Make up a story problem for the following number sentence:

5*3 = 15
Definition
I have 5 frinds that will be coming to my house. They will each bring 3 books to read. How many books will be brought to my house?
5*3=15
Term
When you find the SUM - are you adding or subtracting?
Definition
Sum is adding.
Term
What does it mean to find the difference?
Definition
You are subtracting when you find the difference.
Term
What is a parallelogram?
Definition
A geometric figure that has 2 Pairs of parallel sides.

Remember - Parallel sides will NEVER intersect.
Term
The value of 493 would change by how much if the 4 were replaced by an 8?

100, 200, 300, 400
Definition
493 would become 893 so the difference would be 400.
Term
What number means the same as 2 tens, 4 thousands and 8 ones?

248, 8420, 4028, 2048
Definition
2 tens, 4 thousands and 8 ones must equal 4,028. Don't forget there was NO value in the hundreds column.
Term
What is an equivalent fraction?

What word do you hear in equivalent?
Definition
Remember the word equal? So an equivalent fraction is a fraction that has different numbers BUT they mean the same thing. Example 1/2 and 5/10 are equivalent because they represent the same number - which is half.
Term
How do you make an equivalent fraction?
Definition
This is simple - just Multiply the top and bottom number by the SAME number.

For example the fraction 3/5. Multiply the top and bottom by the same number and you will have an equivalent fraction. To multiply it by 4 would give you 12/20.
Term
If you left Wethersfield at 9:20 and returned home at 11:45 - How long were you gone for?
Definition
2 Hours and 25 minutes

Remember 9:20-->10:00--->11:00-->11:45
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