Write in partitioned form
Write in Words
What is
100 more:
100 less:
1000 more:
1000 less:
Double & Half
Take the first two digits...
Double them:
Halve them:
Take the last two digits...
Double them:
Halve them:
Add them Up
Add the first two digits to the last two digits. Write the sum:
+ =
Compare the first two digits with the last two digits, using <, > or =