Fractions
Pizzas, chocolate bars and the fraction wall.
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Different fractions can be the same amount: ½ = 2/4 = 4/8.
Look: The yellow bricks are the same length: ½ = 2/4 = 4/8.
✏️ Your turn!
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1Give another fraction equal to ⅓.
2What is ⅖ of 20?
3Which is bigger: ½ or ⅗?
! Careful!
✗Thinking ⅕ > ⅓ because 5 > 3.
✓More pieces means smaller pieces. ⅓ is bigger.
✗Dividing by the top number.
✓Divide by the bottom, times by the top.
See the whole lesson on one page
Different fractions can be the same amount: ½ = 2/4 = 4/8.
The bottom number says how many equal pieces. The top says how many you take. To find ⅜ of something, divide by 8, then times by 3.
Think of it like thisHalf a pizza is the same food as 2 quarter slices, or 4 small eighth slices. Just cut differently.
- Top (numerator)
- How many pieces you take.
- Bottom (denominator)
- How many equal pieces in the whole.
Solved together
32 students. ⅜ of them walk to school. How many walk?
Bottom is 8: make 8 equal groups.
32 ÷ 8 = 4Top is 3: take 3 of those groups.
3 × 4 = 12
Answer12 students walk.
Now practise it
Kanakku makes new questions on fractions every time. It shows the working and gives a hint when you are stuck.