Mastering Equivalent Fractions
This lesson focuses on understanding and calculating equivalent fractions. Students will learn that fractions representing the same proportion of a whole are equivalent, and they will master the 'golden rule' of fractions: whatever you do to the numerator, you must do to the denominator. The lesson covers scaling up (multiplication) and simplifying (division).
Learning objectives
- Identify equivalent fractions using visual representations and number lines.
- Find equivalent fractions by multiplying or dividing the numerator and denominator by the same non-zero number.
- Simplify fractions to their simplest form using highest common factors.
- Compare fractions by converting them to have a common denominator.
Lesson plan (60 minutes)
Starter · 5 min
Do Now: Quick recall of times tables and identifying factors of numbers up to 50.
Introduction · 15 min
Direct Instruction: Using the explainer script and worked example to define equivalence and the golden rule.
Guided Practice · 10 min
Guided Practice: Solving 'fill in the blank' equivalent fraction problems on mini-whiteboards.
Independent Practice · 20 min
Independent Practice: Differentiated worksheets (Support, Core, Stretch).
Plenary · 8 min
Assessment: 8-question multiple-choice quiz.
Closure · 2 min
Feedback: Quick self-marking of the quiz and pack away.
Key vocabulary
- Equivalent
- Fractions that have the same value, even though they look different.
- Numerator
- The top number in a fraction, representing how many parts we have.
- Denominator
- The bottom number in a fraction, representing how many parts the whole is divided into.
- Simplify
- To write a fraction using the smallest possible whole numbers.
- Simplest Form
- A fraction where the numerator and denominator have no common factors other than 1.
Core worksheet (first questions)
- Find an equivalent fraction for 3/4 with a denominator of 20.
- Find an equivalent fraction for 2/3 with a denominator of 18.
- Find an equivalent fraction for 3/5 with a numerator of 15.
- Simplify 10/15 to its simplest form.
Quiz (sample)
1. Which fraction is equivalent to 2/3?
- A. 2/6
- B. 4/6
- C. 4/3
- D. 2/9
2. Simplify 15/20 to its simplest form.
- A. 3/4
- B. 1/3
- C. 1/4
- D. 6/10
3. Find the missing value: 3/4 = ?/16
- A. 6
- B. 9
- C. 10
- D. 12
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