Math worksheet for practicing expanded form with millions.

Let's solve each problem by writing the numbers in expanded form, which means breaking down the number into the sum of the values of its digits based on their place values (like millions, hundred thousands, ten thousands, etc.).

---

1) 983,546,917

Break it down:
- 900,000,000 (hundred millions)
- 80,000,000 (ten millions)
- 3,000,000 (millions)
- 500,000 (hundred thousands)
- 40,000 (ten thousands)
- 6,000 (thousands)
- 900 (hundreds)
- 10 (tens)
- 7 (ones)

✔ Answer:
900,000,000 + 80,000,000 + 3,000,000 + 500,000 + 40,000 + 6,000 + 900 + 10 + 7

---

2) 3,805,492

Break it down:
- 3,000,000 (millions)
- 800,000 (hundred thousands)
- 5,000 (thousands)
- 400 (hundreds)
- 90 (tens)
- 2 (ones)

✔ Answer:
3,000,000 + 800,000 + 5,000 + 400 + 90 + 2

---

3) 19,683,000

Break it down:
- 10,000,000 (ten millions)
- 9,000,000 (millions)
- 600,000 (hundred thousands)
- 80,000 (ten thousands)
- 3,000 (thousands)

✔ Answer:
10,000,000 + 9,000,000 + 600,000 + 80,000 + 3,000

---

4) 734,568,291

Break it down:
- 700,000,000 (hundred millions)
- 30,000,000 (ten millions)
- 4,000,000 (millions)
- 500,000 (hundred thousands)
- 60,000 (ten thousands)
- 8,000 (thousands)
- 200 (hundreds)
- 90 (tens)
- 1 (ones)

✔ Answer:
700,000,000 + 30,000,000 + 4,000,000 + 500,000 + 60,000 + 8,000 + 200 + 90 + 1

---

5) 52,184,653

Break it down:
- 50,000,000 (ten millions)
- 2,000,000 (millions)
- 100,000 (hundred thousands)
- 80,000 (ten thousands)
- 4,000 (thousands)
- 600 (hundreds)
- 50 (tens)
- 3 (ones)

✔ Answer:
50,000,000 + 2,000,000 + 100,000 + 80,000 + 4,000 + 600 + 50 + 3

---

6) 2,867,035

Break it down:
- 2,000,000 (millions)
- 800,000 (hundred thousands)
- 60,000 (ten thousands)
- 7,000 (thousands)
- 0 (hundreds) → skip
- 30 (tens)
- 5 (ones)

✔ Answer:
2,000,000 + 800,000 + 60,000 + 7,000 + 30 + 5

---

7) 842,325,541

Break it down:
- 800,000,000 (hundred millions)
- 40,000,000 (ten millions)
- 2,000,000 (millions)
- 300,000 (hundred thousands)
- 20,000 (ten thousands)
- 5,000 (thousands)
- 500 (hundreds)
- 40 (tens)
- 1 (ones)

✔ Answer:
800,000,000 + 40,000,000 + 2,000,000 + 300,000 + 20,000 + 5,000 + 500 + 40 + 1

---

8) 46,237,810

Break it down:
- 40,000,000 (ten millions)
- 6,000,000 (millions)
- 200,000 (hundred thousands)
- 30,000 (ten thousands)
- 7,000 (thousands)
- 800 (hundreds)
- 10 (tens)
- 0 (ones) → skip

✔ Answer:
40,000,000 + 6,000,000 + 200,000 + 30,000 + 7,000 + 800 + 10

---

9) 6,142,017

Break it down:
- 6,000,000 (millions)
- 100,000 (hundred thousands)
- 40,000 (ten thousands)
- 2,000 (thousands)
- 0 (hundreds) → skip
- 10 (tens)
- 7 (ones)

✔ Answer:
6,000,000 + 100,000 + 40,000 + 2,000 + 10 + 7

---

10) 71,538,379

Break it down:
- 70,000,000 (ten millions)
- 1,000,000 (millions)
- 500,000 (hundred thousands)
- 30,000 (ten thousands)
- 8,000 (thousands)
- 300 (hundreds)
- 70 (tens)
- 9 (ones)

✔ Answer:
70,000,000 + 1,000,000 + 500,000 + 30,000 + 8,000 + 300 + 70 + 9

---

✔ Final Answers:

1) 900,000,000 + 80,000,000 + 3,000,000 + 500,000 + 40,000 + 6,000 + 900 + 10 + 7
2) 3,000,000 + 800,000 + 5,000 + 400 + 90 + 2
3) 10,000,000 + 9,000,000 + 600,000 + 80,000 + 3,000
4) 700,000,000 + 30,000,000 + 4,000,000 + 500,000 + 60,000 + 8,000 + 200 + 90 + 1
5) 50,000,000 + 2,000,000 + 100,000 + 80,000 + 4,000 + 600 + 50 + 3
6) 2,000,000 + 800,000 + 60,000 + 7,000 + 30 + 5
7) 800,000,000 + 40,000,000 + 2,000,000 + 300,000 + 20,000 + 5,000 + 500 + 40 + 1
8) 40,000,000 + 6,000,000 + 200,000 + 30,000 + 7,000 + 800 + 10
9) 6,000,000 + 100,000 + 40,000 + 2,000 + 10 + 7
10) 70,000,000 + 1,000,000 + 500,000 + 30,000 + 8,000 + 300 + 70 + 9

---

Let me know if you'd like this formatted for printing or as a worksheet!