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Lesson · Kindergarten · Mathematics

Holds More or Holds Less? Pour to Check

  • Kindergarten
  • Mathematics
  • 1 min 4 s
  • British Columbia
  • BCK-MA-15

A tall glass looks as if it might hold more than a wide bowl, so the glass is filled to the top and poured into the bowl, and the bowl is not full: the bowl holds more and the glass holds less. Checking the other way, the full bowl fills the glass with water left over, giving the same answer and the recap that pouring one container into the other shows which holds more.

Concept: Holds more or holds less: comparing containers

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In one sentence

The question this lesson answers

Here is a tall glass and a wide bowl. Which one can hold more water?

The glass is taller, but does it hold more?

Transcript

What the lesson says

Here is a tall glass and a wide bowl. Which one can hold more water?

The glass is taller, but does it hold more?

Let's pour from one into the other to check.

First, fill the glass right to the top.

Now pour all of it into the bowl.

Look, the bowl is not full yet.

There is still room, so the bowl holds more.

The tall glass holds less water.

Now let's check the other way. Fill the bowl right to the top.

Pour it into the glass until the glass is full.

The glass is full, but water is left over.

We get the same answer as before. The bowl holds more than the glass.

Pour one into the other to see which holds more.

Curriculum

Where this fits

British Columbia, Kindergarten

Mathematics, Geometry and measurement: direct comparative measurement (e.g., linear, mass, capacity)BCK-MA-15

Previous: Heavier or Lighter? The Big Balloon and the Small RockNext: Sorting Shapes by One Thing: Corners, and Does It Roll?

The outcomes and strands follow the British Columbia curriculum.

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