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integers decimals and fractions - Coggle Diagram
integers decimals and fractions
integers
An integer is a number that is not a fraction ( a whole number )
adding and subtracting
Two different signs become a negative
Two like signs become a positive
decimals
rounding decimals
Identify the lost digit to keep then Look at the next number
less then 5 round down
if 5 or more round up
adding and subtracting decimals
To add or subtract fractions they need to have common denominators
Add / subtract fraction
Simplify it or change to a mixed number
Rewrite using common denominator
fractions
multiplying and dividing
multiplying
Multiply denominators
Simplify by dividing by common factor
Multiply numerators
dividing
keep the first fraction
flip the last fraction
change to a multiply sign
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