Bram
Number Kingdom
Lantern bridges, ten-gates, and a market that counts by thousands. You choose which gate to open.
Gates you can reach in any order: Bridges, Towers, Market.
1. The Lantern Bridge
BridgesA storm blew out the only bridge into Number Kingdom. You choose which posts to light first, then decide whether to count carefully or rush the oil.
Grades K, 1 · count-objects
2. The Gate of More and Fewer
BridgesTwo courtyards claim the parade. You choose which courtyard to count first, then whether to match banners one to one or trust the taller pile.
Grades K, 1 · compare-numbers
3. The Broken Ten-Gate
BridgesA lock made of ten gems has split. You choose which chest to rebuild, then whether to find a pair for ten or force a single pile.
Grades K, 1 · compose-ten
4. Tower of Tens
TowersA tower is built from crates of ten and loose stones. You choose to climb the tens or sort the ones, then decide whether to trade or leave a pile of ten ones untraded.
Grades 1, 2 · place-value-two-digit
5. The Hundred Market
MarketTwo stalls argue over a delivery within 100. You choose a stall, then choose whether to compare tens first or ones first.
Grades 1, 2 · compare-hundred
6. Skip-Stone Causeway
BridgesStepping stones across a causeway only appear on a skip-count. You choose the jump size's shore, then whether to keep the jump or sneak one stone at a time.
Grades 2, 3 · skip-count
7. Even Towers, Odd Towers
TowersTwo towers share windows in pairs. You choose a tower, then decide whether to pair the windows or judge by the last digit without checking.
Grades 2 · even-odd
8. The Thousand Steps
TowersA staircase is numbered into the thousands. You choose to read the thousands or the hundreds first, then whether to expand the number or squash the digits.
Grades 2, 3, 4 · place-value-thousands