PEMDAS
Think about it:
What does "PEMDAS" stand for?
(Please answer the question by saying "What is" or "Who is ____")
Parenthesis/brackets
Exponents
Multiplication
Division
Addition
Subtraction
Explain
What is a rational number?
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A rational number is a type of real number, which is in the form of p/q where q is not equal to zero.
Explain
What are integers?
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Integers are the opposite of positive numbers and they can also be 0.
Integers can also be whole numbers.
Integers CAN NOT be rational numbers what so ever.
Explain
when do we learn this?
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6th or 7th grade
What are percentages?
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Percentages are a relative value indicating hundredth parts of any quantity.
Which letter in "PEMDAS" stands for Multiplication?
A). E
B). P
C). M
(Please answer the question by saying "What is" or "Who is ____")
C). M
solve the problem
32.5 x 6
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195
solve the problem,
4 x (-5)
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-20
Convert the fraction to a decimal
5/6
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0.83
convert the percentage to a decimal
40%
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(both answers are the same thing)
Solve the following equation below,
7×(2+5)
A). 51
B). 34
C). 49
D).67
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C). 49
Which of the following is a rational number?
A). 67.9
B). 4/5
C). all of the above
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C). all of the above!
67.9 and 4/5 are both rational numbers.
Which of the following answers is a integer?
A). 3.5
B). 3/4
C). -3
D). 8
(Please answer the question by saying "What is" or "Who is ____")
C). -3
Convert the fraction,
7/8
to a decimal.
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0.875
TRUE OR FALSE
Percentages can be converted to fractions by skipping converting percentages to decimals.
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FALSE
Before converting a percentage to a fraction, you need to convert it to a decimal then a fraction.
TRUE OR FALSE
Another strategy similar to "PEMDAS" is called "BEDMAS"
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TRUE
Because, BEDMAS is brackets, exponents, division, multiplication, addition, and subtraction.
solve the problem
35 + 0.1
(Please answer the question by saying "What is" or "Who is ____")
35.1 or 35.10
(both answers are the same thing)
solve the problem,
4(-5) + 12
(Please answer the question by saying "What is" or "Who is ____")
-8
Convert the decimal to a fraction
0.092
(Please answer the question by saying "What is" or "Who is ____")
23/250
convert the decimal to a percentage
0.6
(Please answer the question by saying "What is" or "Who is ____")
60%
Solve the equation shown below
50 - (14 + 12 + 2(5) + 2(2) + 3)
A). 237
B). 7
C). 4
D). none of the above
(Please answer the question by saying "What is" or "Who is ____")
B). 7
FREE POINTS!!!
i told you already you got free points.
TRUE OR FALSE
Integers can also be rational numbers and whole numbers.
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FALSE
Rational numbers are fractions and decimals. integers CAN NOT be fractions or decimals what so ever.
Explain
How do you convert fractions decimals or percentages?
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To convert a fraction to a percent, first divide the numerator by the denominator. Then multiply the decimal by 100 . That is, the fraction 48 can be converted to decimal by dividing 4 by 8 . It can be converted to percent by multiplying the decimal by 100.
How do we convert decimals to fractions?
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place the decimal number over its place value then if its needed simplify the fraction.