Checkpoint
5 questions. 4/5 passes and opens the next unit; 5/5 turns the unit gold.
Question 1 of 50 right
Add and/or subtract as indicated
2. $\frac{4}{6} - \frac{1}{6}$
5 questions. 4/5 passes and opens the next unit; 5/5 turns the unit gold.
Add and/or subtract as indicated
2. $\frac{4}{6} - \frac{1}{6}$