Early learning · Grades K–2
Shapes, attributes and sorting explanations · Revision card
Sort by a clear feature such as number of sides or curved boundary.
Understand the idea
Name the property
Sort by a clear feature such as number of sides or curved boundary.
Turning does not rename
Rotating a shape does not change its defining properties.
More than one rule may work
Explain the rule you chose.
Worked examples
Which plane shape has three straight sides?
A triangle has three sides.
triangle
How many corners does a square have?
A square has four vertices.
4
Explain without looking
- Invent a repeating pattern with a square and a triangle and describe its rule.
Preview material · independent educational review required. Grade bands are approximate, not official curriculum alignment.