Numbers & Place Value

Skip-Counting

Skip-count by 5, 10 or 100 to get there fast.

Even & Odd

The last digit alone decides even or odd.

The Place-Value House

Where a digit sits decides what it is worth.

Expanded Form & Number Names

342 = 300 + 40 + 2, one number in three forms.

Comparing & Ordering to 1000

The first room that differs decides which is bigger.

Build the Biggest & Smallest

Sort the digits high-to-low or low-to-high.