Pick a week to start (or pick up where you left off). Each week has Mon-Fri lessons and a celebration recap.
// Fold a sheet again and again, then agree on which step comes first
// An envelope hides a number, and a letter stands in for it
// Two expressions that always give the same number
// An equation is a level balance, and a solution keeps it level
// More than, less than, and a whole set of answers on the number line
// Undo in reverse order, rewrite to see the puzzle, estimate to check
// Inputs, outputs and the rule machine
// Rise over run, the steepness of a line
// Rate of change, starting value, and graphs that tell a story
// Envelopes on both sides
// Where the lines cross
// Powers, roots and Puzzle Night