The Others
What other operation does commutative property work with?
Addition
Show 7 groups of 2 (Equal Groups)
*Ms. Daley flips board* 14
What method is this?
5 + 5 + 5 + 5 + 5 + 5 + 5
Addition Equation
12 x 4
48
Commutative Property
4 x 7
7 x 4
Using the array method
8 x 4
*Ms. Daley flips board* 32
What method is being use here?
2,4,6,8,10,12,14,16,18,20
Skip counting
78 x 9
702
Alura and Josey decide to start Drawing Bunny Buisness LLC. They decide that 1 bunny is going to cost 5 dollars. They end up selling 7 bunnies that afternoon. How much money did they earn?
35 dollars
Skip count 5 groups 3
*Ms. Daley flips board* 15
*Ms. Daley flips board*
Equal groups
412 x 6
2,472
DOUBLE DOUBLE DOUBLE DOUBLE
34,282 x 4
Using Standard Form
*Ms. Daley flips board/ Ipad*
7 groups of 4, using addition equation
*Ms. Daley flips board* 28
xxxxxx
xxxxxx
xxxxxx
xxxxxx
Array
56 x 98
5,488
Hannah, Faith, and Averie are going into the bracelet-making business. They decide every bracelet they sell at recess will be 8 dollars. They ended up selling 4, how much money did they make?
32 dollars
Use the double- double method to solve the following problems:
2,132 x 4
8,528
23 x 4
23 + 23= 46
46 + 46= 92
Double- Double Method
1,544 x 5
7,220