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Lesson · Grade 3 · Mathematics

Comparing and Ordering Numbers to 1000

  • Grade 3
  • Mathematics
  • 1 min 23 s
  • British Columbia
  • BC3-MA-03

Three numbers, 538, 497 and 534, are built from flats, rods and cubes and compared place by place. 497 is the smallest because it has only 4 hundreds (its 9 tens and 7 ones do not fill another hundred), and 534 is less than 538 because the hundreds and tens match and 4 ones is less than 8 ones, giving the order 497, 534, 538.

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In one sentence

The question this lesson answers

Let's put 538, 497 and 534 in order.

A cube is one, a rod is ten and a flat is one hundred.

Transcript

What the lesson says

Let's put 538, 497 and 534 in order.

A cube is one, a rod is ten and a flat is one hundred.

538 is 5 hundreds, 3 tens and 8 ones.

497 is 4 hundreds, 9 tens and 7 ones.

534 is 5 hundreds, 3 tens and 4 ones.

First, compare the hundreds.

497 has only 4 hundreds, so it is the smallest.

Even its 9 tens and 7 ones are less than one hundred.

538 and 534 both have 5 hundreds, so compare the tens.

They both have 3 tens, so compare the ones.

4 ones is less than 8 ones.

So 534 is less than 538.

From smallest to biggest: 497, 534, 538.

Compare the hundreds first, then the tens, then the ones.

Curriculum

Where this fits

British Columbia, Grade 3

Mathematics, Number: number concepts to 1000BC3-MA-03

Previous: Hundreds, Tens and Ones: What Each Digit Is WorthNext: A Fraction Is Equal Parts of One Whole

The outcomes and strands follow the British Columbia curriculum.

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