Revisiting Place Value
Explore the place value of each digit in 5-digit numbers — learn expanded form, place names, and how to read numbers in words!
Ch. 1. Knowing Our Numbers 1.2. Comparing Numbers 1.2.4. Easy
Instructions
- Place Value Explorer: A 5-digit number appears. Tap each digit to identify its place — Ten Thousands, Thousands, Hundreds, Tens, or Ones.
- Expand It!: Break numbers into expanded form (e.g. 45278 = 4×10000 + 5×1000 + 2×100 + 7×10 + 8) or build a number from its expanded form.
- Say It in Words: Match numbers to their word form — "forty five thousand, two hundred seventy eight" and vice versa.
- Place Value Challenge: Race against the clock with rapid-fire questions mixing all concepts!