How To Use Number Rack

Working with Beads

Move beads by dragging them

Working with Covers

Drag covers to move, or drag bottom corners to resize.

Hide or show a cover by tapping the eye icon.

Toolbar & Annotation Palette

Icon	Tool	Shortcut	Description
	Start Over	esc	Clear the workspace or reload the Share Code.
	Add/Remove a Row	– / =	Add or remove a row of beads. Display up to 10 rows (100 beads).
	Reverse Bead Colors	B	Reverse the colors of rows 6 to 10 to distinguish (or not) groupings of 25 beads.
	Cover	H	Add a resizable cover to hide or show portions of the workspace.
	Duplicate	D	Duplicate selected items.
	Trash	Backspace, delete	Delete selected items.
	Share Code	K	Enter a code to open shared work.
	Share	S	Share your work with an image, a link, or a code.
	Info	I	View how-to and other information about this app.
	Math Text	E	Open a keypad for creating expressions and equations. Using the keyboard to add numbers and symbols also works. Tip: Double-tap your text to edit it.
	Writing	T	Enter text using your keyboard. Tip: Double-tap your text to edit it.
	Pen	P	Create freehand drawings.
	Highlighter	L	Create transparent freehand drawings.
	Eraser	~	Selectively erase Pen and Highlighter drawings.
	Erase All Drawing	A	Erase all Pen and Highlighter drawings.
	Rectangle	R	Create a rectangle or square.Drag the corners to resize proportionally, or the edges to change proportions.
	Filled Rectangle	Shift-R	Create a filled rectangle or square. Drag the corners to resize proportionally, or the edges to change proportions.
	Oval	O	Create an oval or circle. Drag the corners to resize proportionally, or the edges to change proportions.
	Filled Oval	Shift-O	Create a filled oval or circle. Drag the corners to resize proportionally, or the edges to change proportions.
	Line	/	Create a resizable line. Drag the ends to change the length or angle.
	Color	C	Change the color of selected objects. If no object is selected, set the default color.
	Line Thickness & Arrows	\	Change the line thickness of selected objects. Add arrows to selected lines. If no object is selected, set the default thickness and arrows.