Math Final Practice!!!

Math Final practice!!!

Adding and Subtracting decimals:

To add or subtract decimals you have to:

Put the numbers under each other and the decimal point have to be under each other, then add normally to get you answer.

Example: 10.56

6.25

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What is 196.72 + 65.3?

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What is 196.72 - 65.3?

Order of Operation:

To use order of operation you have to:

Use backers (we always do what is in the brackets first) and the power of symbols, the symbols ÷ and × are more powerful then the + and -. if two of the same power come together we chose the one on the left.

Example: 15-(3×5)=

56-15+78=

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What is 6+(56÷4)?

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What is 6×56÷4?

Mode, Median and Range:

To fine Mode, Median and Range: you have to:

Mode: The most frequent number. e.x: (2, 4, 2, 5, 3, 2, 2) the mode is 2.

Median: Is the middle number in a frequent, there are 2 numbers we put a . between those two numbers. e.x: (2, 4, 2, 5, 3, 2, 2) the mode is 5.

Range: Subtract the smallest from the largest number in a frequent. e.x: (2, 4, 2, 5, 3, 2, 2) the range is 5-2=3

Multiple Choice

What is a mode?

• The most frequent number

• Is the middle number in a frequent

• Subtract the smallest from the largest number in a frequent

Multiple Choice

What is a median?

• The most frequent number

• Is the middle number in a frequent

• Subtract the smallest from the largest number in a frequent

Multiple Choice

What is a range?

• The most frequent number

• Is the middle number in a frequent

• Subtract the smallest from the largest number in a frequent

Angle In a Triangle:

To find Angle In a Triangle you have to:

The interior angles of a triangle always add up to 180°, to find a missing angle you have to subtract an angle from 180 to find the answer, if there are one angle missing add the angles them subtract.

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Coordinates:

To find coordinates you have to:

To find a coordinates you need to use the x axis and the y axis, first look at the x axis then the y axis, to write a coordinates you write the x axis then the y axis.

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Write the missing angles.

Graph Of The form x and y:

To find Graph Of The form x and y you have to:

To find a graph of the form x and y you have to first put the x axis in a bracket as the following (1, ) then depending on the question you write the y axis, and you have to make sure it lines up.

Example: the y=X2, so to answer you have to find the y axis +2 so the answer is (0.2), (1,3), (2,4) and continue on.

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Y = 3X

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Y = 5X

Fraction, Decimal, and Percentage:

To convert fraction, decimal and percentage you have to:

To convert a 30/100 to a decimal divide the 30 by the 100 and write it 0.30, for percentage write the 30%..

To convert a 0.30 to a fraction multiply the 30 by 100 and write it 30/100, for percentage multiply the 30 by 100 and write it 30%.

To convert a 30% to a decimal divide the 30 by the 100 and write it 0.30, for fraction multiply the 30 by 100 and write it 30/100.

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Convert these fractions to decimal?

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Convert these fractions to percentage?

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Convert these decimals to fractions?

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Convert these decimals to percentage?

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Convert these percentage to fractions?

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Convert these percentage to decimals?

Fraction Of Quantity:

To find fraction of quantity you have to:

Divide the denominator by the number then multiply the numerator with the divided answer.

Example: 3/10 of 55, 10÷55=5.5 then 5.5×3=16.5

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Find the Fraction Of Quantity:

Thank you for participating and good luck with your final :)