Essential Skills
            
            Mental Math - solve fraction puzzles visually
            
                Common Core Connections
            
            Fraction 1/b is formed by 1 part when a whole is partitioned into b equal parts.
            Fraction a/b is formed by 
a parts of size 1/b.
            
 Understand addition and subtraction of fractions.
            
 Add and subtract mixed numbers with like denominators.