Money Basic 3 Mathematics Lesson Note

A. COUNTING SKILL: NUMBERS 851-870

Counting from 851 to 870: 851, 852, 853, 854, 855, 856, 857, 858, 859, 860, 861, 862, 863, 864, 865, 866, 867, 868, 869, 870

Practice counting:

• From 855 to 865: _______
• From 862 to 870: _______
• Backwards from 870 to 860: _______

Skip counting by 5s: 850, 855, 860, 865, 870

Fill in missing numbers:

• 856, 857, _____, 859, _____
• 865, _____, 867, _____, 869
• _____, 852, _____, 854, _____

B. WRITING SKILL: WRITING OF THE NUMBERS

Write in words:

• 851 = Eight hundred and fifty-one
• 855 = Eight hundred and fifty-five
• 860 = Eight hundred and sixty
• 865 = Eight hundred and sixty-five
• 870 = Eight hundred and seventy

Write in figures:

• Eight hundred and fifty-three = _______
• Eight hundred and fifty-eight = _______
• Eight hundred and sixty-two = _______
• Eight hundred and sixty-seven = _______
• Eight hundred and sixty-nine = _______

C. CHANGING MONEY NOT EXCEEDING ₦50 INTO SMALLER UNITS

Nigerian money units:

• 1 naira (₦1) = 100 kobo (100k)
• 50 kobo (50k) = half naira

Common coins and notes:

• Coins: 50k, ₦1, ₦2
• Notes: ₦5, ₦10, ₦20, ₦50

Changing naira to kobo:

• ₦1 = 100k
• ₦2 = 200k
• ₦5 = 500k
• ₦10 = 1000k
• ₦20 = 2000k
• ₦50 = 5000k

Practice changing money:

1. ₦3 = _____ kobo
2. ₦7 = _____ kobo
3. ₦15 = _____ kobo
4. ₦25 = _____ kobo
5. ₦45 = _____ kobo

Changing kobo to naira:

• 100k = ₦1
• 200k = ₦2
• 500k = ₦5
• 1500k = ₦15
• 3000k = ₦30

Practice:

1. 400k = ₦_____
2. 800k = ₦_____
3. 1200k = ₦_____
4. 2500k = ₦_____

D. ADDITION AND SUBTRACTION OF MONEY NOT EXCEEDING ₦50

Addition of money:

• ₦12 + ₦15 = ₦27
• ₦8 + ₦23 = ₦31
• ₦17 + ₦18 = ₦35

Practice addition:

1. ₦5 + ₦8 = ₦_____
2. ₦12 + ₦19 = ₦_____
3. ₦25 + ₦15 = ₦_____
4. ₦18 + ₦22 = ₦_____
5. ₦13 + ₦27 = ₦_____

Subtraction of money:

• ₦25 – ₦12 = ₦13
• ₦40 – ₦18 = ₦22
• ₦35 – ₦19 = ₦16

Practice subtraction:

1. ₦20 – ₦8 = ₦_____
2. ₦35 – ₦17 = ₦_____
3. ₦42 – ₦25 = ₦_____
4. ₦50 – ₦23 = ₦_____
5. ₦38 – ₦16 = ₦_____

E. MULTIPLICATION INVOLVING MONEY

Simple multiplication with money:

• 3 × ₦5 = ₦15
• 4 × ₦8 = ₦32
• 2 × ₦12 = ₦24

Practice multiplication:

1. 2 × ₦6 = ₦_____
2. 3 × ₦7 = ₦_____
3. 4 × ₦5 = ₦_____
4. 5 × ₦4 = ₦_____
5. 2 × ₦15 = ₦_____
6. 3 × ₦10 = ₦_____
7. 4 × ₦8 = ₦_____
8. 2 × ₦18 = ₦_____

F. QUANTITATIVE REASONING

Word problems:

1. Kemi has ₦25. She buys a book for ₦18. How much money does she have left?
2. Tolu bought 3 pencils at ₦4 each. How much did he pay altogether?
3. Ada had ₦15. Her mother gave her ₦20 more. How much money does she have now?
4. A shopkeeper sold 4 oranges at ₦5 each. How much money did he collect?
5. Bola had ₦50. She spent ₦28 on food. How much change did she get?

Money conversion problems:

1. Change ₦8 to kobo: _____
2. Change 1500k to naira: ₦_____
3. Which is more: ₦3 or 250k? _____
4. Which is less: ₦15 or 1200k? _____

Shopping problems:

1. A pen costs ₦8 and a book costs ₦15. How much for both? _____
2. If you buy 5 sweets at ₦3 each, how much will you pay? _____
3. You have ₦40. You buy items worth ₦27. How much change? _____

Making change:

1. Item costs ₦18, paid with ₦20. Change = _____
2. Item costs ₦35, paid with ₦50. Change = _____
3. Item costs ₦23, paid with ₦30. Change = _____

Money patterns:

1. ₦5, ₦10, ₦15, _____, _____
2. ₦50, ₦45, ₦40, _____, _____
3. ₦8, ₦16, ₦24, _____, _____

CLASS EXERCISES

1. Count from 858 to 868:
2. Write in words:
   1. 857 = _______
   2. 863 = _______
   3. 870 = _______
3. Convert money:
   1. ₦6 = _____ kobo
   2. ₦12 = _____ kobo
   3. 900k = ₦_____
   4. 1800k = ₦_____
4. Add money:
   1. ₦15 + ₦18 = ₦_____
   2. ₦23 + ₦19 = ₦_____
   3. ₦28 + ₦17 = ₦_____
5. Subtract money:
   1. ₦30 – ₦12 = ₦_____
   2. ₦45 – ₦28 = ₦_____
   3. ₦50 – ₦35 = ₦_____
6. Multiply money:
   1. 3 × ₦8 = ₦_____
   2. 4 × ₦6 = ₦_____
   3. 5 × ₦7 = ₦_____
7. Word problems:
   1. Ade bought 2 books at ₦12 each. How much did he pay?
   2. Kemi had ₦40. She spent ₦25. How much is left?
   3. A trader sold 3 bags at ₦15 each. How much did she earn?
8. Money comparison:
   1. Which is bigger: ₦5 or 400k? _____
   2. Which is smaller: ₦20 or 1500k? _____
9. Making change:
   1. Bought item for ₦17, paid ₦25. Change = ₦_____
   2. Bought item for ₦38, paid ₦50. Change = ₦_____
10. Problem solving: You have one ₦20 note and two ₦10 notes. You want to buy 4 items costing ₦8 each. Do you have enough money? Show your working.