Rectangles, Rectangles
Name one trait about a rectangle.
4 sides, square edges, parallel sides, etc..
Please write the multiplication fact for 5 + 5.
5 x 2= 10
True or False: Every 0's multiplication question is going to equal 0.
True
5 x 0 =
0
If I had 5 nickels, how much money do I have?
$0.25
Name two traits about a rectangle.
4 sides, square edges, parallel sides, etc..
Please write the multiplication fact for 4 + 4 + 4.
4 x 3= 12
True or False: When completing a perimeter question you must multiply two sides.
False: You add all sides.
12 x 1 =
12
If I have 11 cookies in my class, can I make an array out of them?
No because 11 can not be divided evenly.
What is the phrase Mrs. Lee says to figure out which side is the length and which side is the width?
Length is....
Width is....
Length is longer, width is shorter
6 + 6 + 6+ 6 + 6 =30
or
5 + 5 + 5 + 5 + 5 + 5 = 30
True or False: There are always 30 questions on your math tests.
False: There are always 20 questions.
3 x 3 =
4 x 4 =
5 x 5 =
3 x 3 = 9
4 x 4 = 16
5 x 5 = 25
The students sat in 6 rows with 7 students in each row. Please solve the equation to figure out how many students are in the class.
42 students
Please draw a rectangle that is 7 in long and 5 in wide.
See student work.
Please write a repeated addition fact for 5 x 12.
12 + 12 + 12 + 12 + 12 = 60
or
5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 = 60
True or False: An array has to be drawn with circles.
False: An array can be any shape as long as the big shape is a rectangle in the end.
use your Strategies:
7 x 8 =
8 x 9 =
7 x 8 = 56
8 x 9 = 72
Please write a multiplication question for this array.
* * * * * * * * ** * * * * * * * *
9 x 2 = 18
What is the perimeter of a rectangle that is 6 ft long and 5 ft wide. Remember perimeter means ADD ALL SIDES.
22 ft.
Choose any 12's multiplication fact and create a repeated addition and multiplication fact for it.
(It can not be anything less than 12 x 5 )
Check student work.
True or False: 4 x 9 = 36 and 5 x 9 = 45
True
No Multiplication Chart Allowed
6 x 6 =
7 x 7 =
9 x 9 =
6 x 6 = 36
7 x 7 = 49
9 x 9 = 81
It takes 12 seconds to travel a miles on a rocket. How many seconds would it take to travel 6 miles?
12 x 6 =72 seconds