Level 1
What is the missing number?
6 hundreds + 8 ones =          
2 m
Level 1
6 hundreds + 2 tens =          
2 m
Level 2
The sum of 39 tens, 15 hundreds, 20 thousands and 45 ones is ___.
2 m
Level 1
Find the difference between 6048 and 365 by first rounding off each number to the nearest hundred.
2 m
Level 2
With the digits 3, 4 and 5, form the largest three-digit number which when rounded off to the nearest hundred is 400?
2 m