Show:
2 x
3 x
4 x
5 x
Word problems
100
8
What is 2 x 4
100
9
What is 3 x 3
100
16
What is 4 x 4
100
50
What is 5 x 10
100
Derek measured his bedroom and found that it was 10 feet wide and 8 feet long. He said, "The area of my bedroom is _______ square feet."
What is 80
200
80
What is 2 x 40
200
90
What is 3 x 30
200
160
What is 4 x 40
200
500
What is 5 x 100
200
Next, Derek decided to buy a carpet to cover part of the floor of his bedroom. (Remember, his bedroom was 8 feet wide and 10 feet long.) He decided he wanted 1 foot of open floor around each edge of the carpet. So, he said, "I'll buy a carpet that is 6 feet wide and ______ feet long."
What is 8?
300
800
What is 2 x 400
300
900
What is 3 x 300
300
1,600
What is 4 x 400
300
5,000
What is 5 x 1,000
300
Derek told his mom he wanted a carpet that was 48 square feet. His mom said, "They don't make rugs that size. Let's buy 2 that are ______ square feet and lay them side by side."
What is 24
400
100
What is 2 x 50
400
9,000
What is 3 x 3,000
400
80
What is 4 x 20
400
25
What is 5 x 5
400
Finally, Derek's mom asked him to find the PERIMETER of his bedroom. He didn't know how to do that, so she said, "It's easy! Just add up all the sides!" (Remember, his bedroom was 8 feet wide and 10 feet long.) Derek added it all up in his head and said, "The PERIMETER of my room is ________ feet!"
What is 36?
500
1,000
What is 2 x 500
500
27
What is 3 x 9
500
800
What is 4 x 200
500
250
What is 5 x 50
500
Derek decided to cover one of his bedroom walls with wallpaper. To find out how many square feet of wallpaper he would need to cover the AREA of the wall, he had to _______________________________________________ and then ______________________________________.
What is measure how tall and wide the wall was and then multiply those 2 numbers.