USE YOUR REFERENCE SHEET for 21-22
Homework
name
Pages 10-17 #5, 6, 7, 21, 22
date
Filling and Wrapping 1.3
period
5. Which of these nets could be folded along the lines to form a closed rectangular box?
YES
NO
YES
NO
YES
NO
6. Answer for each pattern from question 5 that forms a closed rectangular box.
a. Use the unit square to help you find the dimensions of the box.
b. Find the total area, in square units, of all the faces of the box.
c. Find the number of unit cubes it would take to fill the box.
Pattern A
Pattern B
A. Dimensions
B. Total Area
C. Number of Unit Cubes
DON’T FORGET YOUR LABELS!!!
7. This closed rectangular box does not have square ends.
a. What are the dimensions of the box? __________ x __________ x __________
b. On centimeter grid paper, sketch two nets for the box.
Pattern C
FAW 1.3 ACE page 2
c. Find the area, in square centimeters, of each net.
d. Find the total area of all the faces of the box. _____________
SHOW YOUR WORK
Bottom
Front
Side
Top
Back
Side
How does your answer compare with the areas you found in part c?
For Exercises 21–22, find the area and the perimeter of each figure.
Figures are not drawn to scale.
Shape:
Area Formula:
Shape:
Area Formula:
Work
Answer:
Perimeter is…
Work
Answer:
Perimeter is…