How many they are?
9
What number is it?
13
What is the missing number?
11
What is the answer for the following addition?
3
What is the answer for the following addition?
6
What number is it?
19
What is the answer for the following addition?
8
How many they are?
10
What is the missing number?
17
What number is it?
17
How many they are?
7
What number is it?
23
What is the missing number?
4