Activity

How Tall With Cubes

Children measure and order classroom objects using snap cubes as units.

Ages 36–60 months

Supports this milestone

  • measures objects by their various attributes using standard and non-standard measurement. Uses differences in attributes to make comparisons. — Head Start ELOF

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Materials

  • A tub of snap cubes or other same-size stacking units
  • Three to five familiar objects of different heights, such as a book, cup, and toy
  • A recording sheet or whiteboard

Steps

  • Pick one object and stand it next to a tower of cubes.
  • Snap on cubes until the tower is as tall as the object.
  • Count the cubes together and record the number.
  • Measure a second object the same way, lining up the bottoms.
  • Ask: which object is taller, and how do the cube numbers show it?
  • Line the objects up from shortest to tallest as a group.

Variations

  • Measure length by laying objects and cube trains flat on the floor.
  • Use a balance to compare which of two objects is heavier instead of taller.

Differentiation

  • For younger children, compare just two objects and name the taller one.
  • For older children, order five objects and label each with its cube count.

Accessibility

  • Use large interlocking units for children with motor differences.
  • Offer objects with clear height and weight contrasts for children comparing by touch.

Safety

  • Keep small cubes away from children who still mouth objects and supervise closely.

Practices these skills

Evidence