9+9=18 so,9+10=

3+3=6 so, 3+4=

10+10=

The number represented by the blocks is:

Write how many tens and ones are there in the given picture.

The extended form of the number represented in the picture is:

The name of this number is:

The number thirty four written in standard form is:

The number that comes after 29 is:

This shape is a __________.