Associative property
Show 3*4*5 using associative property
(3*4)*5 or 3*(4*5)
Show the array of 5*6
5 down 6 across
Answer 1*8
8
What Key words can tell us we are working on a division or multiplication word problem?
Each, Equal groups
Where does the total go during multiplication?
The end of the problem.
12*5
60
What is the array of 7*2 using communitive property
2 down 7 across
Answer 4826*0
0
What three things do we look for in a division or multiplication story problem?
Total
Groups/Factor 1
Amount in Each/Factor 2
Where does the total go for a division problem?
Beginning of the problem
4*5=20
True or False?
1*0=1
False
1*0=0
MAS has 100 balloons for the 3rd graders. There are 4 3rd grade classes. How many balloons does each class get? -FIND THE VARIABLES-
Total 100 balloons
Groups 4 classes
Unknown/Big Question Amount in Each
Show a multiplication for 24÷8=3
3*8=24 or 8*3=24
Answer with two or more groupings 2*5*4
Answer is 40 groupings can be (2*5)*4 or 2*(5*4) or (2*4)*5 rearranged
Solve both the given and communitive property of 10*6
10*6=60
6*10=60
What is the zero property?
Any factor multiplied by zero will equal zero
A teacher arranged her classroom into 5 equal groups. Each group has 4 students. How many students are in the class? -WRITE AN EQUATION-
5*4=?
4*5=?
Solve and show as a division problem.
5*3
15÷3=5
15÷5=3
What does the associative property state
Order of digits/groups in 3 or more digit problems does not change product
What does the communitive property state?
The order of two factors does not change the product.
What is the Identity Property?
Any factor multiplied times 1 will equal the original factor
Solve and Label
A class won cleanest room and received a pizza party! The principal brought in 36 slices of pizza. There are 12 students in the class. How many slices does each student get?
36(T)÷12(G)=3(A)
Finish the fact family
8*4=32
32÷8=4
32÷4=8
4*8=32