Page 74 - NUMINO Challenge_D2
P. 74
Problem solving Key Points
1 The following solid figure is made up of 13 Draw the top, front,
cubes. Thomas wants to put stickers which have and side views of
the same size and shape as the face of the cube the solid figure.
on all the faces except those facing the floor.
How many stickers are needed?
2 The following solid figure is made up of cubes Count the faces that
and completely dipped in a bucket of paint. The cannot be seen from
number of stacked cubes is written in each the top, front, and
space of the top view after. What is the surface side views of the
area of the solid figure in cm2? (The area of each solid figure.
face of the cube is 1 cm2.)
Top Front Side
323 2nd Layer 3rd Layer
212
323
Top
71Geometry
1 The following solid figure is made up of 13 Draw the top, front,
cubes. Thomas wants to put stickers which have and side views of
the same size and shape as the face of the cube the solid figure.
on all the faces except those facing the floor.
How many stickers are needed?
2 The following solid figure is made up of cubes Count the faces that
and completely dipped in a bucket of paint. The cannot be seen from
number of stacked cubes is written in each the top, front, and
space of the top view after. What is the surface side views of the
area of the solid figure in cm2? (The area of each solid figure.
face of the cube is 1 cm2.)
Top Front Side
323 2nd Layer 3rd Layer
212
323
Top
71Geometry
