Subraction
What is 8 - 4 = ?
4
How many ones are in the number 24?
5 ones
How many tens in the number 26
2 tens
If I have 1 tens and 7 ones, what number is that?
17
What is 9 + 3=
12
What is 25 - 5 = ?
20
How many ones are in the number 67?
7 ones
How many tens in the number 71
7 tens
If I have 2 tens and 9 ones, what number is that?
29
What is 9 + 10 = ?
19
What is 30 - 10 = ?
20
How many ones are in the number 5?
5 ones
If I have the number 167 how many tens does it have?
6 tens
If I have 5 tens and 6 ones, what number is that?
56
What is 30 + 10 = ?
40