Page 28 - PlayFacto_K11
P. 28
Counting building blocks

Look at the figure to find how many building blocks are used.

second floor : 1 5
first floor : 4

Example 1 Count the building blocks for each figure.

⑴⑵

   
⑶ ⑷

   

3. Memorize and make 25
   23   24   25   26   27   28   29   30   31   32   33