My Friend & I Want to Have Escape Room Nights Once in a While. One of Us Will Modify a Room in His House with Puzzles and Riddles and All the Others Will Try to Escape. What Are Puzzle Ideas for Real Escape Rooms?
Place Value Cups. Use the cups to understand place value practice counting forward and backward learn the names of large numbers decompose numbers to expanded form. I would either label the cups 'ones' 'tens' etc. or add a comma cup or decimal point cup