1. Read, Write, Order and Compare Numbers up to 10 000 000
Maths Mastery
Read, Write, Order and Compare Numbers up to

2. Read
Work with a partner: One partner writes down a seven-digit number. The other reads the number. If they read it correctly, they write a number for the first partner. Include some zeros to challenge.

3. Write
Work with a partner: One partner writes down a hidden seven-digit number and reads it for the other. The other partner writes the digits down. Check the numbers match. If they are the same, swap roles. If incorrect, check it has been read correctly.

4. Explain how to order the following numbers from smallest to largest:
is the smallest as it is the only number with 6 digits. The rest have 7 digits.
and are the next smallest numbers. They both have the same total number of thousands, but the former is smaller as the last three digits are 010 and the latter is 100.
The next number is as it has no hundred thousands.
The largest three numbers are , , All have ones in the millions and hundred thousands. The first of these is the smallest as is has no thousands, but the others do. The third one is the largest as all the digits are the same as the second one except is has a ten and the middle one has no tens.
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5. Compare
Work with a partner: Choose seven digit cards each. Both partners write and hide a seven-digit number using the seven digits. Toss a coin – heads is higher, tails lower. Compare the numbers – who has the higher or lower number? Remember to keep the score. Is it better to make the highest or lowest number possible with the digits or a number nearer the middle of the possibilities?

6. Here is a 7-digit number:
Value
Here is a 7-digit number:
Write down the numbers that are:
ten thousand more
one hundred less
one million less
a thousand more
three hundred thousand more
Eight more
Forty less
With a calculation, how can you reverse the last:
three digits
four digits
five digits
six digits
seven digits
- 198
- 3087
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