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MyFeynman · Priya's Tutor

Class 8 · Mathematics · CBSE

📋 Session summary — Tuesday, 3 June

Topic covered: Adding fractions with unlike denominators
Understanding level: Developing (DoK 1→2)
Gap identified: Priya finds the LCM correctly but forgets to adjust the numerator when converting. She knows the rule but the step slips during multi-step problems.
What worked: Breaking it into two separate steps on paper — find LCM first, then convert separately before adding.

4:32 PM ✓✓

📚 Today's practice material

3 targeted questions below — all based on exactly the gap we found today.

Q1 — Recall Q2 — Apply Q3 — Explain

4:32 PM ✓✓

Q1. Find LCM of 4 and 6. Then solve: 1/4 + 1/6

Q2. Arjun ate 2/5 of a pizza. His sister ate 1/3. What fraction did they eat together? Show all steps.

Q3. Explain in your own words: why do we need the same denominator before adding fractions? (Answer in Tamil or English — your choice.)

4:33 PM ✓✓

Priya did Q1 and Q2 ✅ Q3 she wrote in Tamil 😊

6:45 PM

That's exactly what we want to see 🎯 Tamil explanation is perfect — it tells us she genuinely understands it, not just memorised the steps.

Priya is moving from DoK 1 → DoK 2 this week. Tomorrow's session will push to DoK 3 — applying this to word problems she's never seen before.

6:47 PM ✓✓

Adaptive post-session quiz — Class 8 Maths · Fractions

Question 1 · Bloom's level: Apply · DoK 2

Kavya ate 3/8 of a cake and her brother ate 1/4. What fraction of the cake was eaten in total?

DoK level 2 — applying a concept to a new situation

4/12

4/8

5/8 ✓

3/32

Convert 1/4 → 2/8 (same denominator). Then 3/8 + 2/8 = 5/8. The key step is always adjusting the numerator after finding the LCM — which is where most students slip.

Question 2 · Bloom's level: Analyse · DoK 3

A student solved 1/3 + 1/5 and got 2/8. What mistake did she make?

DoK level 3 — diagnosing someone else's error (strategic thinking)

She added the numerators incorrectly

She added numerators AND denominators separately ✓

She forgot to simplify the answer

She used the wrong operation

She added 1+1=2 and 3+5=8 directly — a very common error. Fractions cannot be added this way. You must find LCM (15 here), convert both fractions, then add: 5/15 + 3/15 = 8/15. Asking students to identify errors builds far deeper understanding than asking them to solve.

Question 3 · Bloom's level: Evaluate · DoK 4

Rahul says "finding LCM is the hardest part of adding fractions." Do you agree? Explain your reasoning. (Write in your own words — no single correct answer.)

DoK level 4 — open reasoning, no single right answer

This is a written response question. The tutor evaluates the reasoning, not the conclusion. A student who disagrees and explains why adjusting the numerator is harder scores higher than one who agrees without reasoning.

Visual explainer — sent to visual learners after the session

Adding fractions — step by step

Matched to: visual learner · Tamil medium · CBSE Class 8

Solve: 1/4 + 1/6

Press play to see each step

For auditory learners

A 3-minute voice note from the tutor in Tamil — re-explaining the LCM step out loud, the way they discussed it in class.

For kinaesthetic learners

A hands-on activity: cut a paper into 4 equal parts and 6 equal parts. Physically combine 1 of each. Count what fraction of the whole you have.

Weekly parent report — sent every Sunday on WhatsApp

Priya Sharma · Class 8 · Mathematics

Week of 2–6 June · 5 sessions completed

82/100

Concept Bloom's level Status

LCM of two numbers

Apply

Mastered

Equivalent fractions

Understand

Mastered

Adding unlike fractions

Apply

Developing

Multi-step fraction problems

Analyse

Developing

Fraction word problems

Evaluate

Gap identified

Tutor's note for this week: Priya has made strong progress on the mechanical steps. The gap is in word problems — she struggles to identify which quantities to add. Next week we work exclusively on this using real-life examples (cooking, money, cricket scores). Expected to resolve within 2 sessions.

Forgetting curve — revision schedule

Based on Ebbinghaus spaced repetition

We schedule revision automatically so Priya reviews each concept exactly when she's about to forget it:

LCM

Next: Day 21

Unlike fractions

Next: Day 3

Word problems

Tomorrow

MyFeynman sample post-session materials and assessments