Grade 2 · Math starter mission
Grade 2: Place Value Port
Use place value and add or subtract within 100.
Math Mountain No account · browser-local result
Runner game
Quick controls
Peak Dash
Pick the right power gate to boost past the ridge.
Keyboard: use ← → to steer, then Enter to boost through a gate. On screen, tap a gate or use Left/Right to select it, then tap Boost.
Press P or Esc any time to pause. Wrong turns show a clue and let you try again.