Decimals
When adding or subtracting decimals what is the most important step that comes first?
What is line up the decimal
LCM of 9 and 6
18
5a + 6a + 8b -2a +4b
9a +12b
How do you find the mean of a set of data?
Add all the data and divide by the total of numbers there are
3x -6 = 33
9
After finding the product of a multiplication decimal problem, how do you know where to put the decimal?
Check how many numbers are to the right of the decimal in the problem and count over that many spaces left to right
GCF of 36 and 54
18
15a -12a +7b +4c -3b
3a +4b +4c
What is the very first step when you are finding Mean, Median, Mode and Range of a set of data
List the numbers least to greatest
5x - 8 = 22
x = 6
Where would an imaginary decimal be in any whole number without changing it's value?
An imaginary decimal would be at the end of a whole number.
LCM of 7 and 8
56
What is the rule for combining like terms?
You can only combine numbers with the same variables.
Find the median of:
12, 15, 2, 6, 8, 4, 2, 5, 10, 7,
Mean is 7.1
9x + 11 = 43
x = 6
How do you read 986.53. What number is in the hundreths place?
Nine hundred eighty six and fifty three hundredths.
LCM and GCF of 8 and 12
LCM is 24 and GCF is 4
9b +6a -2b +a -b
6b +7a
Find the Median:
13, 6, 8, 9, 5, 12, 2, 7, 4,
Median is 7
13 + 5a = 27
x = 8
Solve this problem!
795.82 - 453.940
341.880
GCF of 23 and 47
1
15c -c +4a +3b - 2a + c
15c +2a +3b
What is the Mode of:
9, 8, 12, 5, 4, 9, 2, 12, 6, 7,
Mode is 9
5x times 20 = 80
x = 12