Subtract fractions from 1 by first rewriting the 1 as a fraction with the same denominator as the other fraction
A. Identify and add fractions with a common denominator based on a model
B. Add fractions with a common denominator with and without a number line
C. Add fractions with a common denominator
D. Add fractions with a common denominator and convert the sum to a mixed number (Level 1)
E. Add fractions with a common denominator and convert the sum to a mixed number (Level 2)
F. Subtract fractions with a common denominator with and without a number line
H. Rename a mixed number as a fraction to subtract a fraction
I. Subtract a fraction from a mixed number with and without renaming the mixed number as a fraction
J. Rename a fraction as an equivalent fraction
K. Add fractions with different denominators by finding a common denominator
L. Add fractions with different denominators and rename the sum as a mixed number