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Lesson · Grade 6 · Mathematics

Place Value from Thousandths to Billions

  • Grade 6
  • Mathematics
  • 1 min 12 s
  • British Columbia
  • BC6-MA-01

Starting from a tiny number from science (1 mm = 0.001 m) and a huge one from the news (more than 8 000 000 000 people on Earth), the video builds a ladder of place values outward from the ones place: multiplying by 10 again and again gives tens up to billions, and dividing by 10 gives tenths down to thousandths, with a new name every three places. The two opening numbers then find their places on the ladder, and the video ends on the recap that each place is worth 10 times the place to its right.

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In one sentence

The question this lesson answers

Here is a tiny number from science: one millimetre is 0.001 metres.

And here is a huge one from the news: more than eight billion people live on Earth.

Transcript

What the lesson says

Here is a tiny number from science: one millimetre is 0.001 metres.

And here is a huge one from the news: more than eight billion people live on Earth.

What places go all the way from thousandths up to billions?

Start at the ones place, which is worth 1.

Multiply by 10 each time to get tens, hundreds and thousands.

Keep multiplying by 10: ten thousands, hundred thousands and millions.

Then come ten millions, hundred millions and billions.

A new name starts every three places: thousands, millions and billions.

Divide by 10 each time to get tenths, hundredths and thousandths.

So in 0.001 metres, the 1 is in the thousandths place.

In eight billion, the 8 is in the billions place.

From thousandths to billions, each place is worth 10 times the place to its right.

Curriculum

Where this fits

British Columbia, Grade 6

Mathematics, Number: small to large numbers (thousandths to billions)BC6-MA-01

Next: Which is bigger, 0.5 or 0.45?

The outcomes and strands follow the British Columbia curriculum.

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