required (hard)helpful (soft)MasteredLearningNeeds workNot startedLocked
TargetArea of squares and rectanglesG5Not started
Line symmetryG4Not started
↳ Measuring sides and using unitsPerimeter of regular and irregular shapesG4Not startedLesson
Perimeter of regular and irregular shapesG4Not started
↳ Perimeter is the distance aroundPerimeter of regular and irregular shapesG4Not startedLesson
Regular and irregular polygonsG4Not started
↳ Regular and irregular polygonsRegular and irregular polygonsG4Not startedLesson
↳ Adding to 10,000 with regroupingAddition and subtraction to 10,000G4Not startedLesson
Press enter or space to select a node. You can then use the arrow keys to move the node around. Press delete to remove it and escape to cancel.
Press enter or space to select an edge. You can then press delete to remove it or escape to cancel.
Demo student's progress · learn the items on the left, then this · hover a card to trace its chain · click a lessoned card to open it