Count the number of cubes you can see systematically. Looking from front: 4; back: 4, Left: 7, right: 7, Top: 5, Bottom: 5; The number of cube surfaces are 4 x 2 + 7 x 2 + 5 x 2 = 32 square inches
Free challenging math problems for Kids (1st grade, 2nd grade, 3rd grade, 4th grade, 5th grade, 6 grade and 7th grade)