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
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?