Revision Worksheet-1 Class 4 Unit 1 | PDF | Teaching Mathematics - Free Printable

Let's solve each question step by step and provide explanations.

---

Q1. Write the number names for these numerals:

a) 2,22,222
This is written in the Indian numbering system (using lakhs).
Break it down:
- 2,00,000 → Two lakh
- 22,000 → Twenty-two thousand
- 222 → Two hundred twenty-two

So, 2,22,222 = Two lakh twenty-two thousand two hundred twenty-two

✔ Answer: *Two lakh twenty-two thousand two hundred twenty-two*

---

b) 8,76,000
Break it down:
- 8,00,000 → Eight lakh
- 76,000 → Seventy-six thousand

So, 8,76,000 = Eight lakh seventy-six thousand

✔ Answer: *Eight lakh seventy-six thousand*

---

Q2. Fill in the blanks:

a) The greatest 4-digit numeral is ________
The largest 4-digit number is 9999

✔ Answer: *9999*

---

b) The numeral just before 80,000 is ________
Just before means subtract 1:
80,000 − 1 = 79,999

✔ Answer: *79,999*

---

c) The places ones, tens & hundreds belong to ________ period.
In the Indian numbering system, the ones period includes ones, tens, and hundreds.

✔ Answer: *Ones*

---

d) 50,000 + 2,000 + 100 + 30 + 4 = ________
Add step by step:
50,000 + 2,000 = 52,000
52,000 + 100 = 52,100
52,100 + 30 = 52,130
52,130 + 4 = 52,134

✔ Answer: *52,134*

---

e) Compare: 6,99,569 ____ 6,96,965 (<, =, >)
Compare digit by digit from left:

- Both have 6 lakh
- First digit after lakh: 9 vs 9 → same
- Second digit: 9 vs 6 → 9 > 6

So, 6,99,569 > 6,96,965

✔ Answer: *>*

---

f) The place just to the left of the hundreds place is ________
Place values from right:
..., thousands, hundreds, tens, ones

Wait — actually, moving left from hundreds:
... thousands | hundreds | tens | ones
So, just to the left of hundreds is thousands

✔ Answer: *Thousands*

---

g) The place value of 7 in 8,76,403 is ________
Number: 8,76,403
Break down:
- 8 → 8,00,000 → lakh
- 7 → 70,000 → ten thousands
- 6 → 6,000 → thousands
- 4 → 400 → hundreds
- 0 → 0 → tens
- 3 → 3 → ones

So, the 7 is in the ten thousands place → place value = 70,000

✔ Answer: *70,000*

---

h) A 5-digit number begins with ________ place.
A 5-digit number ranges from 10,000 to 99,999.
The first digit is in the ten thousands place.

✔ Answer: *Ten thousands*

---

Q3. What is the period and place of 9 in 6,95,076?

Number: 6,95,076
Break into periods:
- Lakhs: 6 (lakh)
- Thousands: 95 (thousand)
- Ones: 076

So, the digits:
- 6 → lakhs
- 9 → ten thousands
- 5 → thousands
- 0 → hundreds
- 7 → tens
- 6 → ones

So, the digit 9 is in the ten thousands place.

Now, period: The ten thousands place belongs to the thousands period.

✔ Period: *Thousands*
✔ Place: *Ten thousands*

---

Q4. Write the numerals for these number names:

a) Sixty thousand six
Sixty thousand = 60,000
Six = 6
→ 60,000 + 6 = 60,006

✔ Answer: *60,006*

---

b) Seven lakh
One lakh = 100,000
Seven lakh = 7 × 100,000 = 7,00,000

✔ Answer: *7,00,000*

---

c) Nine lakh six thousand two hundred one
- Nine lakh = 9,00,000
- Six thousand = 6,000
- Two hundred = 200
- One = 1
Add: 9,00,000 + 6,000 = 9,06,000
+ 200 = 9,06,200
+ 1 = 9,06,201

✔ Answer: *9,06,201*

---

d) Five lakh five thousand five
- Five lakh = 5,00,000
- Five thousand = 5,000
- Five = 5
Total: 5,00,000 + 5,000 = 5,05,000 + 5 = 5,05,005

✔ Answer: *5,05,005*

---

e) Sixteen thousand forty one
Sixteen thousand = 16,000
Forty one = 41
Total: 16,000 + 41 = 16,041

✔ Answer: *16,041*

---

Q5. Write the short form of:

f) a) 40,000 + 3,000 + 200 + 70 + 5
Add:
40,000 + 3,000 = 43,000
43,000 + 200 = 43,200
43,200 + 70 = 43,270
43,270 + 5 = 43,275

✔ Answer: *43,275*

---

g) b) 90,000 + 80 + 3
90,000 + 80 = 90,080
90,080 + 3 = 90,083

✔ Answer: *90,083*

---

✔ Final Answers Summary:

#### Q1
a) Two lakh twenty-two thousand two hundred twenty-two
b) Eight lakh seventy-six thousand

#### Q2
a) 9999
b) 79,999
c) Ones
d) 52,134
e) >
f) Thousands
g) 70,000
h) Ten thousands

#### Q3
Period: Thousands
Place: Ten thousands

#### Q4
a) 60,006
b) 7,00,000
c) 9,06,201
d) 5,05,005
e) 16,041

#### Q5
f) a) 43,275
g) b) 90,083

---

Let me know if you'd like this formatted as a filled worksheet!