6 Write a sum, difference, product, and quotient whose
answers could all have an estimate of about 6. One
expression should include only mixed numbers, one
expression should include only decimals, one expression
should include only negative rational numbers, and one
expression should include only positive rational numbers.
When do you round a
rational number up?
round a
rational number
down?
When do you
Difference
Product
Ouotient: