Problem-Based Lesson
TN-LP-MATH-GR2-71175 · v3.6
Adding Fractions
Grade 2 · Math · Number and Proportion · Fractions · College Board (AP/SAT)
Grade
Grade 2
Subject
Math
Unit
Number and Proportion
Topic
Fractions
Subtopic
Adding Fractions
Curriculum
College Board (AP/SAT)
Duration
60 minutes
Difficulty
Higher
Teacher name
Class
Date
Learning objectives
- Recognise and define adding fractions accurately.
- Explain the underlying rule of adding fractions in your own words.
- Apply adding fractions to routine and unfamiliar math problems.
- Justify a chosen method and spot errors in another student's work.
Success criteria
- I can state what adding fractions means without notes.
- I can complete a worked example with correct setting out.
- I can solve an unfamiliar question and explain my reasoning.
Prerequisite knowledge
- · Vocabulary from earlier in Fractions.
- · The immediately preceding subtopic in Number and Proportion.
- · Number, notation and recording conventions for Grade 2.
Key vocabulary
Adding Fractions · Fractions · Number and Proportion · Method · Justify · Evidence
Materials
- · Adding Fractions worksheet — one per student
- · Mini-whiteboards and pens
- · Exit ticket slips
- · Working-wall vocabulary cards
Technology
- · Projector or interactive display
- · Slide outline (PowerPoint export)
- · Optional: student devices for the interactive worksheet
- · Low-tech alternative: printed model examples
Preparation checklist
- Print the student worksheet and the exit ticket
- Load the slide outline and the hook
- Prepare the three differentiation packs
- Set out practical or manipulative equipment
- Have the answer key to hand for live marking
Standards alignment
- · College Board (AP/SAT) — Math Grade 2: Fractions strand
- · Number and Proportion unit outcome: apply adding fractions accurately
- · Assessment objective: reason, justify and communicate in math