Class 2 · Topic 1
Numbers & Place Value
Step 1 · Learn
Read the ideas
- 🐸Free
Skip-Counting
Skip-count by 5, 10 or 100 to get there fast.
- 👥Free
Even & Odd
Can everyone find a partner, or is one left out?
- 🏠Free
The Place-Value House
One digit, three rooms, three different values.
- 📦Free
Expanded Form & Number Names
See how 342 becomes 300 + 40 + 2.
- ⚖️Free
Comparing & Ordering to 1000
Tell which number is bigger in one quick look.
- 🔢Free
Build the Biggest & Smallest
Sort the digits high-to-low or low-to-high.
Step 2 · Practice
Try the quests
Step 3 · Boss Battle
Beat the boss
🛡️ 🛡️ 🛡️ 3 shields — lose all → 60-second cooldown
Round 1
The first dial counts up in 5s, starting at 70.The first dial counts up in 5s, starting at…
FreeRound 2
The vault opens only on the number that is EVEN and lands between 500 and 600.The vault opens only on the number that is…
FreeRound 3
The second lock reads 848. It opens only on a number that is exactly 100 more.The second lock reads 848. It opens only on…
FreeRound 4
One code reads 400 + 90 + 3. Another code reads 4 hundreds and 9 ones.One code reads 400 + 90 + 3. Another code…
FreeRound 5
Three keys are carved with 706, 760 and 670.Three keys are carved with 706, 760 and 670.
FreeRound 6
The final code is the biggest ODD number you can make from 5, 2 and 9, using each digit once.The final code is the biggest ODD number…
Free