What is the short hand?
The hour hand.
20+10=?
30
Sphere
0 faces; 0 edges; 0 vertices
4, 5, 6, __, 8, 9, 10
7
How many tens? How many ones?
99
9 tens, 9 ones
What is the long hand?
20-10=?
10
Cone
1 face; 1 edge; 1 vertice
2, 4, __, 8, 10
6
How many tens? How many ones?
20
2 tens, 0 ones
What time would it be if both hands were pointing to the 12?
12 o'clock
35+10=?
45
Cube
6 faces; 12 edges; 8 vertices
5, 10, 15, __, 25, 30
20
How many tens? How many ones?
47
4 tens, 7 ones
What time would it be if the hour hand was pointed at the 3 and the minute hand was pointed at the 12?
3 o'clock
55-10=?
45
Rectangular Prism
6 faces; 12 edges; 8 vertices
10, 20, 30, __, 50, 60
40
How many tens? How many ones?
54
5 tens, 4 ones
What time would it be if the hour hand was pointed in between the 7 and the 8 and the minute hand was pointed at the 6?
7:30
70+30=?
100
Square
4 sides; 4 corners
40, 45, 50, __, 60, 65
55
How many tens? How many ones?
31
3 tens, 1 one