Fraction Classroom · 2.0.0 · Student pages
Common Denominator Kitchen: teaching companion
Preserve both addends while renaming them in common fractional units. Student pages include two diagnostic probes, a reteaching check, and the original exit ticket. The teacher copy includes the complete lesson preparation, teaching sequence, diagnostic responses, all original question guides, and updated rubrics.
Anonymous group code: __________ Date: __________
Diagnostic probes
Explain or draw your reasoning. Your teacher will use these responses to choose what to revisit.
d2. Could 2/7 be the sum of the positive amounts 1/3 and 1/4?
Check after reteaching
Complete this check independently after discussing the model.
r1. Find 1/2 + 1/3 and state why the denominator is not five.
Exit ticket
Complete both original exit questions independently. Use a drawing or explanation when asked.