Sharing in a ratio
The Maths Habit
For every person on Earth,
how many ants are there?
About 2 500 000
- Ratio
- A ratio compares the size of one part with another.
Can you think of any real life
examples of ratio?
Squash and water
Mixing paint colours
Recipes
Map scales
Ratio Notation
AmyBen
3:5
Sharing in a ratio
- Draw the barsOne bar for each person, one box for each part.
- Find one partShare the total between all the parts.
- Find each shareFill every box, then add up each bar.
- CheckThe shares add up to the total.
1 part = totalnumber of parts
share + share = total ✓
one box for each part of the ratio
given the difference instead? share it between the extra parts
Walkthrough to print
Cal and Dev share 24 sweets in the ratio 1 : 5.
Share £42 in the ratio 2 : 5.
£12 and £30
Share £54 in the ratio 4 : 5.
£24 and £30
Share £42 in the ratio 2 : 5.
£12 and £30
Share £63 in the ratio 4 : 3.
£36 and £27
Share £42 in the ratio 2 : 5.
£12 and £30
Share £45 in the ratio 7 : 2.
£35 and £10
Share £42 in the ratio 2 : 5.
£12 and £30
Pia and Raj share 80 stickers in the ratio 3 : 7. How many does Raj get?
56 stickers
Share £42 in the ratio 2 : 5.
£12 and £30
A 60 cm ribbon is cut into two pieces in the ratio 5 : 1. How long is the shorter piece?
10 cm
Gus, Hana and Isla share £36 in the ratio 2 : 3 : 4.
Amy and Ben share some money in the ratio 3 : 5. Amy gets £12. How much do they share in total?
£32Cal and Dev share some sweets in the ratio 3 : 8. Dev gets 25 more sweets than Cal. How many sweets are there in total?
5 parts = 25, so 55Eve, Fin and Gus share some money in the ratio 1 : 2 : 4. Fin gets £18. How much do they share in total?
£63
Share £56 in the ratio 3 : 5.
£21 and £35Share 72 sweets in the ratio 1 : 3 : 5.
8, 24 and 40Ada and Bo share some money in the ratio 2 : 7. Bo gets £20 more than Ada. How much do they share altogether?
£36
Exit tickets to print
