Subtract fractions with a common denominator. The first problem illustrates the subtraction on a number line, and remaining problems do not have number lines
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)
G. Subtract a fraction from 1
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