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Decimals
decimal unit
20
Mathematics
6th Grade
09/13/2010

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Cards

Term
Decimal
Definition
a number with a decimal point
Term
And
Definition
what you say when reading the decimal point
Term
place
Definition
the position of a digit in a number
Term
value
Definition
what a digit is worth according to its place in the number
Term
digit
Definition
0,1,2,3,4,5,6,7,8,9
Term
hundreth
Definition
.56 - the six is in the hundreth place- two places to the right of the decimal point
Term
tenth
Definition
.56 - the five is in the tenth place- one place to the right of the decimal point
Term
Round
Definition
if a digit is 5 or greater, round up
if a digit is less than 5, round down
Term
Compare
Definition
Align the numbers along the decimal point and work from left to right
If all digits are the same, move to the next place
Term
order
Definition
Line up the numbers along the decimal point. Work from left to right. Order the numbers from greatest to least or least to greatest.
Term
add/subtract
Definition
Keep decimal man happy!
Line up the decimal points
Add/subtract and regroup if needed
Bring down the decimal point
Term
multiply
Definition
1.Ignore the decimal point, and multiply the numbers
2.Count the number of decimal places to the right of the decimal point
3.Start at the end of the answer and move the decimal point that many places to the left
Term
divide
Definition
1.Move the decimal point in the divisor to the right to make it a whole number
2.Move the decimal in the dividend the same number of places
3.Divide as with whole numbers
4.Move the decimal point directly above in the quotient
Term
Order the numbers from greatest to least
6.529
6.531
6.526
Definition
6.531, 6.529, 6.526
Term
Compare the numbers < , >, =
.87 _____ .92
Definition
.87 < .92
Term
Compare the numbers
.854 ____ .853
Definition
.854 > .853
Term
Compare these numbers
1.23 _______ 1.233
Definition
1.23 < 1.233
(1.233 has a 3 in the thousandths place making it larger
Term
Add the numbers

1.34 + 2.45
Definition
3.79
Term
Subtract the numbers

4.56 - 3.28
Definition
1.28
Term
Multiply the numbers
4.5
x 4
Definition
18.0
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