# ADDITION AND SUBTRACTION OF CAPACITIES IN LITRES-P.1

##### This unit is about subtraction and addition of capacities in litres and also words problem in capacities

Examples

1)  6 litres + 2 litres = 8 litres.

2)  4 litres + 0 litres = 4 litres.

Addition of capacity in word problems

Examples

Ann bought 12 litres of cooking oil. Her mother bought 6 litres of cooking oil. How many litres of oil do they have?

They have 18 litres of cooking oil.

• Dan used 4 litres to bathe and 6litres to wash. How many litres of water did he use altogether?
• Mother bought 20 litres of paraffin and her son bought 6 litres of paraffin. How many litres of paraffin did they buy altogether?
• James bought 15 litres of petrol in the morning and 3 litres of petrol in the afternoon. How many litres of petrol did he buy altogether?

4)James packed 4 litres of juice and his sister packed 3 litres of juice. How many litres of juice did they pack altogether?

• Tom drunk 7 litres of tea on Monday and 6 litres of tea on Tuesday. How many litres of tea did he drink in two days?
• A jerrycan holds 20 litres of water and a basin holds 20 litres of water. How many litres of water are they altogether?
• 10 litres of milk plus 5 litres milk equals
• What is 36 litres and 2 litres more?
• What is the total of 9 litres and 10 liters?

Subtraction of capacity

Examples

1)4 litres – 2 litres = ______litres

2)7 litres – 5 litres = ______ litres

3)8 litres – 2 litres = _____litres

Subtraction of capacity in word problems

Examples

• I bought 15litres of milk. I cooked 5litres of milk. How many litres of milk remained?
• Musa had 60litres of soda. He sold 2o of soda. How many litres of soda remained?

Pupil’s activity:

• I had 9litres of tomato sauce; I used 2 litres 0f tomato sauce. How many litres of tomato sauce remained?
• A shopkeeper had 42littres of cooking oil and sold 10 litres of cooking oil. How many litres of cooking oil remained?
• Ann had 6litres of milk and she gave away1litre of milk. How many litres of milk remained?
• Moses had 17 litres of juice and he gave away 12 litres of juice. How many litres of juice remained?
• A boy had 56 litres of soda and 12litres of soda poured. How many litres of soda were left?
• What is 14litres of water less 3 litres of water?
• Subtract 8litres from 68litres.
• 89litres of milk take-away 22litres of milk equals
YOU