What's that number?
2 tens and 7 ones
What is 27?
What is 10 more than 15?
What is 25?
Which number is bigger?
34 or 43
What is 43?
What is 10 less than 15?
What is 5?
Which number is smaller?
34 or 44
What is 34?
5 tens and 2 ones
What is 52?
What is 10 more than 23?
What is 33?
Which number is bigger?
13 or 17
What is 17?
What is 10 less than 23?
What is 13?
Which number is smaller?
4 or 40
What is 4?
3 tens and 9 ones
What is 39?
What is 10 more than 9?
What is 19?
Which number is bigger?
22 or 21
What is 22?
What is 10 less than 38?
What is 28?
Which number is smaller?
24 or 33
What is 24?
1 ten and 5 ones
What is 15?
What is 10 more than 36?
What is 46?
Which number is bigger?
19 or 9
What is 19?
What is 10 less than 41?
What is 31?
Which number is smaller?
30 or 20
What is 20?
4 tens and 3 ones
What is 43?
What is 10 more than 29?
What is 39?
Which number is bigger?
30 or 40
What is 40?
What is 10 less than 11?
What is 1?
Which number is smaller?
11 or 10
What is 10?