Texas Math Models

Try “number line” or “4.5D”

Improper fraction ↔ mixed number

3/5 + 4/5 = 1 2/5 Grade 4

more than one whole: two names for one number 55=1 whole 25 75=55+25=1+25 75=125 and it breaks apart more than one way: 55+25·45+35·65+15

How this one works

How

pull one whole out of the fraction, 5 fifths is 1, and keep what is left over.

Best when

your answer is more than one whole.

The same problem, other ways