Page 145 - NUMINO_WB_3B
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163-P3-1
Number of Cubes That Cannot be Seen
The following figure is made by stacking cubes. How many cubes
are there that cannot be seen in the picture?
Step 1. How many cubes are in the 1st, 2nd, and 3rd layers?
Step 2. What is the total numbers of stacked cubes?
Step 3. Look at the picture and count the cubes that can be seen. How
many are there?
Step 4. (total number of stacked cubes) (number of cubes that can be
seen) can be used to find the number of cubes that cannot be seen.
How many cubes are there that cannot be seen?
Number of Cubes That Cannot be Seen
The following figure is made by stacking cubes. How many cubes
are there that cannot be seen in the picture?
Step 1. How many cubes are in the 1st, 2nd, and 3rd layers?
Step 2. What is the total numbers of stacked cubes?
Step 3. Look at the picture and count the cubes that can be seen. How
many are there?
Step 4. (total number of stacked cubes) (number of cubes that can be
seen) can be used to find the number of cubes that cannot be seen.
How many cubes are there that cannot be seen?
