Place Value Power for Year 3
Understanding ones, tens, and hundreds Building number sense Making maths meaningful
What is Place Value?
Every digit has a special place The position tells us the value Same digit, different places = different values Like addresses for numbers!
Hands-On Exploration
Use base-10 blocks Count ones, tens, hundreds Build numbers together Feel the difference!
The Ones Place
Rightmost position Counts individual items Can be 0, 1, 2, 3, 4, 5, 6, 7, 8, or 9 Like counting on your fingers!
The Tens Place
Second position from the right Groups of 10 ones Each ten equals 10 ones Like counting in groups!
Comparing Values
{"left":"23 has 2 tens and 3 ones\n32 has 3 tens and 2 ones","right":"Same digits, different values!\nPosition matters!"}
Quick Check!
What number has 4 tens and 7 ones? How many tens are in 56? Which is bigger: 38 or 83?
The Hundreds Place
Third position from the right Groups of 100 ones 10 groups of ten Really big numbers!
Number Building Challenge
Build 142 with blocks Show 3 different ways to make 75 Create the largest 3-digit number Work with a partner!
Place Value Superpowers!
You can read any 3-digit number You understand what each digit means You can compare and order numbers You're ready for bigger numbers!