Addition and subtraction of money

WEEK FOUR
SUBJECT: Mathematics
CLASS: Primary four
TOPIC: Addition and subtraction of money
SUB TOPIC: Shopping

Behavioural Objectives: At the end end of the lesson, the pupils should be able to:

1. Add the sums of money together
2. Subtract sums of money ADDITION OF MONEY
   Example 1
   Add #10.80 and #4.40
   10 . 80

• 4 . 40
  ……………………
  15 . 20
  ……………………
  Example 2
  Add
  # . K
  29 . 17
  +36 . 18
  ………………..
  65 . 35
  ………………..

SUBTRACTION OF SUMS OF MONEY
Example 1
Subtract #67.98 – #41.27
Solution
Note: In subtraction, the higher number must be written first follow by the lower number.
# . K
67 . 98
– 41 . 27
………………….
26 . 71
………………….

Example 2:
Subtract #51.88 – #21.59
Solution
# . K
51 . 88

21. 5 9

=30.29

PROBLEMS ON ADDITION OF MONEY
Example:
Obi went to a market. He bought a tuber of yam for #420.25, pepper for #70.20 and garri for #500.00. How much did he spend in the market?
Solution
A tuber of yam – 420. 25
Pepper –
70.20
Garri- 500. 00

# . K
420 . 25
70 . 20
+500 . 00
………………..
990 .45
………………..
He spent #990.45 in the market.

PROBLEMS ON SUBTRACTIONS OF MONEY
Example 1
A radio cost #2, 175.00, Ibrahim gives the store keeper #3,000.00. How much change does he receive?
Solution
# . K
3000 . 00
-2175 . 00
………………….
825 . 00
………………….
.
. . Ibrahim received #825.00 change.

 Example 2

What is the difference between the cost of the radio at #2,175.00 and the cost of the bag at #1380.00.
Solution
# . K
2175 . 00
-1380 . 00
…………………
795 . 00
…………………

Exercises:
Man Primary Mathematics book 4, page 158 Exercises F question 1 – 10.

For further question, call this number – 09079895255. Thanks