Well, we are getting better at saying “Commutative Property!” Last week I had listed the following example.
Here’s an example of Commutative Property:
7 + 2 = 9
2 + 7 = 9
Now we are taking it one step further by finding the missing addend in an equation. For example: __+ 3 = 9 or 6 + __ = 9
Again, this will also lead the 1st graders into working with Fact Families!
Here’s an example of a Fact Family (in which the students will eventually fill in the missing addend,subtrahend, difference or sum:
__ + 2 = 9
2 + __ = 9
9 - __ = 7
9 - 7 = __
Here are a few more examples, this is one way that we set them up in class, in a “Fact Family House.”
Fun Family Activities
Continue to skip count by 10’s, 5’s and even 2’s driving in the car or playing outside. We learned the “Zero Rule”...Any number added to zero is the same number! We are also keeping track of Data during or weekly graphs. Make a family graph at home!
Monday
|
Commutative Property Worksheet
|
Tuesday
|
IXL B.3 Addition sentences using number lines - match the equation
|
Wednesday
|
Fact Family Worksheet
|
Thursday
|
IXL H.13 Related Subtraction Facts
|
