Year 2 Place Value: How Do Ones, Tens and Hundreds Work?

🎓 Year 3 (ACARA Code : AC9M2N01)

🎯Focus:
Students will be able to:
🔢 show numbers using ones, tens and hundreds.
🧱 break apart numbers into hundreds, tens and ones.
✍️ read and make two-digit and three-digit numbers.
0️⃣ explain what zero does in a number like 407.
🔢 use place value to count collections in a faster way.

Video Lessons

Coming Soon

📝 Write 3 numbers and break each one into parts.
🔍 Find a number with zero and talk about what it means.
♻️ Count a real collection by grouping into hundreds, tens and ones.

💡 Key Ideas

➡️ Ones are single objects
➡️ Hundreds are big groups of 100.
➡️ Tens are bundles of 10
➡️ A digit’s place tells us its value. The same digit can mean different amounts in different places

🧩 Mini Quiz – Quick Check

Try these after watching the video:

❓Question 1: What is the value of the 3 in 345?

✅ Answer: 300

❓Question 2: Which number shows 4 hundreds, 2 tens and 6 ones?

✅ Answer: 426

❓Question 3: What does 507 mean?

✅ Answer: 5 hundreds, 0 tens, 7 ones

❓Question 4: Which number is split correctly?

✅ Answer: 281 = 200 + 80 + 1

❓Question 5: What happens when 10 tens are grouped together?

✅ Answer: 100

Scored:

5/5 💯 = Champion!
3–4/5 🌟 = Great Work!
0–2/5 🔄 = Watch the video again!

📄 Sample Worksheet Preview

Year-2-Place-Value-How-Do-Ones-Tens-and-Hundreds-Work-AC9M2N01-3-Worksheets

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📚 Other Lessons in This Unit

🚀 Learning Path (Recommended Order)

Step	🔗 Lesson	💡 What You Learn
1	📚 Year 2 Place Value: How Do Ones, Tens and Hundreds Work? ⭐ You are here⭐	Represent numbers to 1000 using hundreds, tens and ones. Use place-value charts, drawings and materials to explain the value of each digit in a number.
2	🧩Year 2 Maths: Read, Write and Order Numbers to 1000	Read and write numbers to 1000 using numerals and words. Compare numbers and place them in order from smallest to largest or largest to smallest.
3	🧠 Year 2 Number Lines and Hundreds Charts: How to Find Missing Numbers	Use number lines and hundreds charts to count forwards and backwards, identify number patterns and find missing numbers. Practise counting in ones, tens and hundreds.