Page 68 - NUMINO Challenge_C1
P. 68
Problem solving Key Points
1 Here is a cube with edges that are 4 cm long. The small cubes that
The cube is painted on the outside and sliced have two colored
into small cubes with edges of 1 cm each. How faces are at the
many small cubes with two colored faces are edges of the larger
there? cube.
2 Small cubes are stacked to form a larger cube, Cubes with only one
and then the surface is painted blue. If the colored face can be
number of small cubes with one colored face is found on the faces
150, how many small cubes are needed to of the larger cube.
make the larger cube?
65Geometry
1 Here is a cube with edges that are 4 cm long. The small cubes that
The cube is painted on the outside and sliced have two colored
into small cubes with edges of 1 cm each. How faces are at the
many small cubes with two colored faces are edges of the larger
there? cube.
2 Small cubes are stacked to form a larger cube, Cubes with only one
and then the surface is painted blue. If the colored face can be
number of small cubes with one colored face is found on the faces
150, how many small cubes are needed to of the larger cube.
make the larger cube?
65Geometry