Instructions
- Do all work neatly in a separate notebook.
- Write date before starting each section.
- Learn tables from 2 to 25.
- Practice mental maths daily for 15 minutes.
- Show all rough work clearly.
Part A – Seven Digit Numbers
1. Write the number names:
a) 45,67,891 = __________________________________________
b) 12,34,567 = __________________________________________
c) 98,76,543 = __________________________________________
d) 70,05,120 = __________________________________________
e) 10,00,001 = __________________________________________
2. Write in numerals:
a) Sixty-seven lakh eighty-nine thousand one hundred twelve = __________
b) Twenty-three lakh five thousand six hundred seven = __________
c) Ninety lakh ten thousand twenty-five = __________
d) Forty-five lakh forty-four thousand four hundred forty-four = __________
e) Eighty-seven lakh nine thousand nine = __________
3. Place Value of Seven Digit Numbers
Write the place value of underlined digit:
a) 4<u>5</u>,67,891 = __________
b) <u>7</u>,89,012 = __________
c) 56,7<u>3</u>,210 = __________
d) 9,87,<u>6</u>,543 = __________
Part B – Eight Digit Numbers
4. Write number names:
a) 1,23,45,678 = __________________________________________
b) 9,87,65,432 = __________________________________________
c) 2,00,10,005 = __________________________________________
5. Place value of digits:
a) 8,76,54,321 → Place value of 7 = __________
b) 3,45,67,890 → Place value of 6 = __________
c) 1,23,45,678 → Place value of 4 = __________
Part C – Nine Digit Numbers (Indian System)
6. Write number names:
a) 12,34,56,789 = __________________________________________
b) 98,76,54,321 = __________________________________________
c) 5,00,00,001 = __________________________________________
7. Place Value Chart (Indian System)
Fill in the chart:
Number
Crores
Ten Lakhs
Lakhs
Ten Thousands
Thousands
Hundreds
Tens
Ones
4,56,78,901
___
___
___
___
___
___
___
___
9,87,65,432
___
___
___
___
___
___
___
___
Part D – International Place Value System
8. Write number names (International System upto billion):
a) 123,456,789 = __________________________________________
b) 987,654,321 = __________________________________________
c) 1,234,567,890 = __________________________________________
9. Fill the place value chart:
Number
Hundred Millions
Ten Millions
Millions
Hundred Thousands
Ten Thousands
Thousands
Hundreds
Tens
Ones
123,456,789
___
___
___
___
___
___
___
___
___
Part E – Successor and Predecessor
10. Fill in:
Number
Predecessor
Successor
45,67,890
______
______
9,99,99,999
______
______
1,23,45,678
______
______
8,00,00,000
______
______
Part F – Skip Counting
11. Complete the series:
a) 1,00,000 ; 2,00,000 ; 3,00,000 ; ______ ; ______
b) 45,000 ; 50,000 ; 55,000 ; ______ ; ______
c) 9,00,000 ; 8,00,000 ; 7,00,000 ; ______ ; ______
d) 1,23,000 ; 1,24,000 ; 1,25,000 ; ______ ; ______
Part G – Comparison of Numbers
12. Put the correct sign (>, <, =):
a) 45,67,890 ___ 45,76,890
b) 9,87,65,432 ___ 9,87,65,432
c) 12,34,56,789 ___ 12,34,65,789
d) 1,00,00,000 ___ 99,99,999
Part H – Ascending & Descending Order
13. Arrange in ascending order:
a) 45,67,890 ; 12,34,567 ; 98,76,543 ; 23,45,678
14. Arrange in descending order:
a) 9,87,65,432 ; 1,23,45,678 ; 56,78,901 ; 12,34,567
Part I – Largest and Smallest Numbers
15. Form largest and smallest numbers:
a) 9, 3, 7, 1, 5, 0
Largest = __________
Smallest = __________
b) 8, 2, 6, 4, 9, 1, 0
Largest = __________
Smallest = __________
Part J – Rounding Off (Upto Lakh)
16. Round off:
a) 45,678 to nearest 10 = ________
b) 4,56,789 to nearest 100 = ________
c) 9,87,654 to nearest 1,000 = ________
d) 12,34,567 to nearest 10,000 = ________
e) 8,76,543 to nearest 1,00,000 = ________
Part K – Roman Numerals (Upto 1500)
17. Write Roman numerals:
a) 125 = ________
b) 499 = ________
c) 750 = ________
d) 999 = ________
e) 1500 = ________
18. Write in numbers:
a) CXXV = ________
b) CDL = ________
c) DCCL = ________
d) CM = ________
e) MD = ________
Part L – Addition and Subtraction (Up to 9 digits)
19. Add:
a)
45,67,890+ 12,34,567__________
b)
3,45,67,890+ 2,10,00,111__________
20. Subtract:
a)
98,76,543- 12,34,567__________
b)
7,65,43,210- 3,21,00,000__________
Fun Activity Section
21. Number Hunt
- Collect 5 numbers from newspapers with 7–9 digits.
- Write their number names.
- Arrange them in ascending order.
Mental Maths Challenge
22. Solve quickly:
a) 1,00,000 + 2,00,000 = ________
b) 9,99,999 + 1 = ________
c) 5,00,00,000 – 1,00,00,000 = ________
d) 12,34,56,789 + 1 = ________
e) 50,00,000 – 25,00,000 = ________
Creative Corner
23. Make a colourful chart on ANY ONE:
- Indian Place Value System (Crores to Ones)
- International Place Value System (Millions to Billions)
- Roman Numerals (1–1500)