The DAV Class 4 Maths Book Solutions and DAV Class 4 Maths Chapter 1 Worksheet 6 Solutions of Numbers up to 999999 offer comprehensive answers to textbook questions.
DAV Class 4 Maths Ch 1 WS 6 Solutions
Question 1.
Fill in the blanks.
(a) 75, 162 = ________ ten thousands + ________ thousands + ________ hundreds + ________ tens + ________ ones
Answer:
7 ten thousands + 5 thousands + 1 hundreds + 6 tens + 2 ones
(b) 31,927 = ________ × 10,000 + ________ × 1,000 + ________ × 100 + ________ × 10 + ________ × 1
Answer:
3 × 10,000 + 1 × 1,000 + 9 × 100 + 2 × 10 + 7 × 1
(c) 4,86,293 = ________ lakhs + ________ ten thousands + ________ thousands + ________ hundreds + ________ tens + ________ ones
Answer:
4 lakhs + 8 ten thousands + 6 thousands + 2 hundreds + 9 tens + 3 ones
(d) 3,01,783 = ________ + 0 + ________ + 700 + ________ + ________ + 3
Answer:
3,00,000 + 0 + 1,000 + 700 + 80 + 3
(e) 50,908 = 50,000 + ________ + ________
Answer:
50,000 + 900 + 8
Question 2.
Write the following numerals in expanded form in 3 different ways.
(a) 91,409
Answer:
91,409
→ 9 × 10,000 + 3 × 1
→ 9 ten thousands + 1 thousand + 4 hundreds + 9 ones.
→ 90,000 + 1,000 + 400 + 9.
(b) 1,13,625
Answer:
1,13,625
→ 1 × 1,00,000 + 1 × 10,000 + 3 × 1,000 + 6 × 100 + 2 × 10 + 3 × 1
→ 1 lakh + 1 ten thousands + 3 thousands + 6 hundreds + 2 tens + 5 ones.
→ 1,00,000 + 10,000 + 3,000 + 600 + 20 + 5.
(c) 8,24,307
Answer:
8,24,307
→ 8 × 1,00,000 + 2 × 10,000 + 4 × 1,000 + 3 × 100 + 0 × 10 + 7 × 1
→ 8 lakhs + 2 ten thousands + 4 thousands + 3 hundreds + 0 tens + 7 ones.
→ 8,00,000 + 20,000 + 4,000 + 300 + 0 + 7
(d) 98,461
Answer:
→ 9 × 10,000 + 8 × 1,000 + 4 × 100 + 6 × 10 + 1 × 1
→ 9 ten thousands + 8 thousands + 4 hundreds + 6 tens + 1 ones.
→ 90,000 + 8,000 + 400 + 60 +1
(e) 3,10,008
Answer:
→ 3 × 1,00,000 + 1 × 10,000 + 0 × 1,000 + 0 × 100 + 0 × 10 + 8 × 1
→ 3 lakhs + 1 ten thousands + 0 thousands + 0 hundreds + 0 tens + 8 ones.
→ 3,00,000 + 10,000 + 0 + 0 + 0 + 8
(f) 4,44,444
Answer:
→ 4 × 1,00,000 + 4 × 10,000 + 4 × 1,000 + 4 × 100 + 4 × 10 + 4 × 1
→ 4 lakhs + 4 ten thousands + 4 thousands + 4 hundreds + 4 tens + 4 ones.
→ 4,00,000 + 40,000 + 4,000 + 400 + 40 + 4
(g) 8,00,134
Answer:
→ 8 × 1,00,000 + 0 × 10,000+ 0 × 1,000 + 1 × 100 + 3 × 10 + 4 × 1
→ 8 lakhs + 0 ten thousands + 0 thousand + 1 hundreds + 3 tens + 4 ones.
→ 8,00,000 + 0 + 0 + 100 + 30 + 4
(h) 9,00,009
Answer:
→ 9 × 1,00,000 + 0 × 10,000 + 0 × 1,000 + 0 × 100 + 0 × 10 + 9 × 1
→ 9 lakhs + 0 ten thousands + 0 thousands + 0 hundreds + 0 tens + 9 ones.
→ 9,00,000 + 0 + 0 + 0 + 0 + 9
Question 3.
Write the standard numerals. The first one is done for you.
(a) 6,00,000 + 50,000 + 4,000 + 300 + 10 + 1
Answer:
6,54,311
(b) 60,000 + 8,000 + 600 + 50 + 4 = ________
Answer:
68,654
(c) 1,00,000 + 10,000 + 1,000 + 100 + 10 + 1 = ________
Answer:
1,11,111
(d) 90,000 + 0 + 700 + 0 + 5 = ________
Answer:
90,705
(e) 6,00,000 + 0 + 5,000 + 400 + 10 + 0 = ________
Answer:
6,05,410
(f) 4,00,000 + 30,000 + 0 + 0 + 20 + 7 = ________
Answer:
4,30,027
(g) 80,000 + 300 + 8 = ________
Answer:
80,308
(h) 7,00,000 + 10,000 + 6 = ________
Answer:
7,10,006
DAV Class 4 Maths Chapter 1 Worksheet 6 Notes
Expanded Form
Expanded form of a numeral is the sum of the place values of each digit of the numeral. It can be written in 3 different ways i.e. 1,46,320
→ 1 × 1,00,000 + 4 × 10,000 + 6 × 1,000 + 3 × 100 + 2× 10 + 0 × 1
→ 1 lakh + 4 ten thousands + 6 thousands + 3 hundreds + 2 tens + 0 ones.
→ 1,00,000 + 40,000 + 6,000 + 300 + 20 + 0