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Number (order and place value)
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Hong Kong
Stage 2

Order numbers (in billions)

Lesson
Practice
Lesson

When we are ordering numbers, we firstly look at the place value column to the left to determine which is the largest or smallest number. If these are the same digits in each number, we then look at column to the right. I will explain this and more in this video on ordering numbers in the billions.

 

Worked examples

Question 1

Which is the largest number?

  1. $1070357231$1070357231

    A

    $926576080$926576080

    B

    $715300792$715300792

    C

    $1200193198$1200193198

    D

Question 2

What is the place value of $4$4 in $5492233307$5492233307?

  1. hundreds of millions

    A

    tens of thousands

    B

    tens of millions

    C

    millions

    D

    hundreds of thousands

    E

    billions

    F

Question 3

Which number is the smaller?

  1. $49384182700+100000000$49384182700+100000000

    A

    $49388737600-100000000$49388737600−100000000

    B

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