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Number Forms - Worksheet 10 - 3rd Grade

Hard

Convert between standard form and expanded form, including numbers with a zero in one place.

hard: Convert between standard and expanded form with four-digit numbers.

18 problems · 10-15 minutes · Skills: place value, number sense

About This Worksheet

This hard-level worksheet contains 18 problems designed for 3rd Grade students practicing standard, word, and expanded form. Hard worksheets feature challenging problems including multi-step questions, missing values, and real-world applications to push students further.

Identify ones, tens, hundreds and thousands.

  • Convert between standard form and expanded form, including numbers with a zero in one place.
  • A zero holds a place. It does not move the other digits.

How to Solve: Worked Example

Example Problem: Write 407 in expanded form.
Solution Steps:
  1. The 4 represents 4 hundreds: 400.
  2. The tens digit is 0, so there are no tens to add.
  3. The 7 represents 7 ones.
Answer: 400 + 7
Tip: A zero holds a place. It does not move the other digits.
1
Write 3159 in expanded form.
2
Write 2000 + 600 + 70 in standard form.
3
Write 6999 in expanded form.
4
Write 1000 + 300 + 40 + 2 in standard form.
5
Write 1438 in expanded form.
6
Write 1000 + 800 + 90 in standard form.
7
Write 6886 in expanded form.
8
Write 8000 + 200 + 10 + 4 in standard form.
9
Write 6354 in expanded form.
10
Write 2000 + 400 + 6 in standard form.
11
Write 4005 in expanded form.
12
Write 6000 + 200 + 70 + 1 in standard form.
13
Write 4441 in expanded form.
14
Write 4000 + 600 + 20 + 9 in standard form.
15
Write 3610 in expanded form.
16
Write 2000 + 500 + 80 + 1 in standard form.
17
Write 3153 in expanded form.
18
Write 5000 + 100 + 70 + 3 in standard form.

Answer Key

1. 3000 + 100 + 50 + 92. 26703. 6000 + 900 + 90 + 94. 13425. 1000 + 400 + 30 + 86. 18907. 6000 + 800 + 80 + 68. 82149. 6000 + 300 + 50 + 410. 240611. 4000 + 512. 627113. 4000 + 400 + 40 + 114. 462915. 3000 + 600 + 1016. 258117. 3000 + 100 + 50 + 318. 5173

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Frequently Asked Questions

How do I download this number forms - worksheet 10 worksheet?

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How do I find worksheets at different difficulty levels?

Each subtopic has 10 worksheets: Worksheets 1-3 are Easy, 4-7 are Medium, and 8-10 are Hard. Start with Easy worksheets to build confidence, then progress to harder ones.

What skills does this place value worksheet cover?

This worksheet focuses on place value, number sense. It is designed for 3rd Grade students and provides structured practice through varied problem types with a worked example to guide students before they begin.

Can I use this worksheet in my classroom?

Yes. All worksheets on K12Worksheets are free for classroom use. You can print copies for your entire class. With 10 worksheets per subtopic at three difficulty levels, you have plenty of options for differentiated instruction and individualized practice.

How many problems are on this worksheet?

This worksheet contains 18 problems. It typically takes 10-15 minutes to complete. An answer key with all solutions is included so parents and teachers can check work quickly.