What fraction does this picture show?
How many parts are equal?
Representation: The circle shows 1 out of 2 equal parts shaded.
Visual representation: Showing fractions using pictures or shapes to make the concept clear.
- Count the total number of equal parts
- Count the number of shaded parts
- Write the fraction as shaded/total
- Verify that all parts are equal in size
The circle is divided into 2 equal parts
There is 1 part shaded
Shaded over total = 1/2
Both parts are the same size
The picture shows 1/2. There are 2 equal parts.
• Equal parts: All parts must be the same size
• Numerator: Number of parts we have/shade
• Denominator: Total number of equal parts
What fraction is represented?
What other fraction could show the same amount?
Representation: The square shows 2 out of 4 equal parts shaded.
Equivalent fractions: Different fractions that show the same amount.
The square is divided into 4 equal parts
There are 2 parts shaded
Shaded over total = 2/4
2/4 = 1/2 (simplified by dividing both by 2)
The picture shows 2/4. This is equivalent to 1/2.
• Quarters: 4 equal parts
• Equivalence: Different fractions showing same amount
• Simplification: Divide numerator and denominator by same number
What fraction does this show?
How many parts are not shaded?
Representation: The rectangle shows 1 out of 3 equal parts shaded.
Thirds: When a shape is divided into 3 equal parts. Each part is called a third.
The rectangle is divided into 3 equal parts
There is 1 part shaded
Shaded over total = 1/3
Unshaded parts = Total - Shaded = 3 - 1 = 2 parts
The picture shows 1/3. There are 2 parts not shaded.
• Thirds: 3 equal parts
• Subtraction: Remaining = Total - Taken
• Unshaded fraction: 2/3 of the rectangle is not shaded
Definitions:
Fraction representation: A way to show a fraction using pictures, shapes, or objects.
Fraction: A number that shows part of a whole. It has a numerator (top) and denominator (bottom).
Numerator: The top number showing how many parts we have or take.
Denominator: The bottom number showing how many equal parts there are in total.
Halves: When a shape is divided into 2 equal parts.
Thirds: When a shape is divided into 3 equal parts.
Quarters: When a shape is divided into 4 equal parts.
Equal parts: All sections must be the same size for valid fractions.
Core Rules:
1. All parts must be equal in size
2. Numerator = parts we have/take
3. Denominator = total parts
4. Fraction = numerator/denominator
5. Shaded + unshaded = total parts
6. Same amount can have different fraction names (equivalents)
7. More total parts = smaller individual parts
Step-by-Step Method:
Step 1: Look at the shape or picture
Step 2: Count the total number of equal parts
Step 3: Count the number of shaded or marked parts
Step 4: Write the fraction as shaded/total
Step 5: Check if parts are equal in size
Step 6: Verify your answer makes sense
Examples:
Simple: Circle cut in half = 1/2
Medium: Square with 2 of 4 parts shaded = 2/4
Advanced: Rectangle with 1 of 3 parts shaded = 1/3
Tips:
- Always count total parts first
- Make sure all parts are equal in size
- Draw lines to help separate equal parts
- Practice with real objects like pizza or cookies
- Remember: more total parts = smaller individual parts
Key Notes:
- Fractions represent equal sharing and division
- Same fraction can be shown in different shapes
- Equal parts are essential for valid fractions
- Understanding representations builds fraction foundation
2 equal parts
3 equal parts
4 equal parts
5 equal parts
Which shape has more shaded area?
How do you compare fractions from different shapes?
Comparison: To compare, convert to same denominator: 3/4 = 9/12, 2/3 = 8/12. So 3/4 > 2/3.
Mixed representations: Different shapes showing different fractions that can be compared.
Circle: 3 out of 4 parts shaded = 3/4
Rectangle: 2 out of 3 parts shaded = 2/3
3/4 = 9/12, 2/3 = 8/12
9/12 > 8/12, so 3/4 > 2/3
The circle with 3/4 shaded has more shaded area than the rectangle with 2/3 shaded.
• Comparison: Convert to same denominator for comparison
• Equivalent fractions: 3/4 = 9/12, 2/3 = 8/12
• Greater than: 9/12 > 8/12
Draw examples to prove they are equivalent.
What other fractions equal 1/2?
Equivalence: Both shapes show the same amount shaded, proving 1/2 = 2/4.
Equivalent fractions: Different fractions that represent the same amount or value.
Circle with 1 of 2 equal parts shaded
Square with 2 of 4 equal parts shaded
Both show the same amount shaded (half of the shape)
Other fractions equal to 1/2: 3/6, 4/8, 5/10
1/2 and 2/4 show the same amount. Other equivalents: 3/6, 4/8, 5/10.
• Equivalence: Same portion, different numbers
• Multiplication: Multiply both numerator and denominator by same number
• Simplification: Divide both by same number to reduce
Fraction representation: Showing fractions through pictures, shapes, or objects
Numerator: Top number showing parts we have
Denominator: Bottom number showing total parts
Equal parts: All sections must be the same size
Equivalent: Different fractions showing same amount
- Identify the fraction: What is the numerator and denominator?
- Choose a shape: Circle, square, rectangle, etc.
- Divide equally: Split into denominator number of equal parts
- Shade appropriately: Color numerator number of parts
- Verify: Check that parts are equal and count is correct
• Equal parts: All sections must be identical in size
• Numerator: Number of parts we're considering
• Denominator: Total number of equal parts
• Equivalence: Different fractions can show same amount
• Verification: Shaded + unshaded = total parts