Fact Families
Write the addition (2) sentences that can be made from these numbers:
3 4 7
3 + 4 = 7
4 + 3 = 7
5 + 6 =
What mountain range do we live in?
17 - 6 =
11
addition
Write the two subtraction sentences that can be made from the numbers:
10 25 15
25 - 10 = 15
25 - 15 = 10
6 + 6 =
12
Which mountain range has sharp, pointed mountains?
Rocky Mountains
15 - 11 =
4
How many properties did we learn?
3
Write the fact family for the following numbers:
6 4 10
6 + 4 = 10
4 + 6 = 10
10 - 4 = 6
10 - 6 = 4
7 + 8 =
15
What ocean is off the coast of Virginia?
Atlantic Ocean
20 - 10 =
10
Which property says anything plus 0 equals itself?
8 + 0 = 8
Identity Property of Addition
Write the fact family for the following numbers:
2 9 11
2 + 9 = 11
9 + 2 = 11
11 - 9 = 2
11 - 2 = 9
8 + 9 =
17
What river is in Virginia that is on our test?
James River
26 - 13 =
13
Which property says 4 + 2 = 6 and 2 + 4 = 6?
Commutative Property of Addition
Create your own fact family and write the 4 sentences that go with the numbers you choose.
* You cannot use numbers I used already*
____ + _____ = _____
_____ + _____ = _____
_____ - _____ = _____
_____ - ______ = _____
9 + 9 =
18
What three rivers are on your test today?
Mississippi River
Rio Grande River
James River
100 - 49 =
51
Which property says (4+3)+1= 8 and (4+1)+3=8?
Associative Property of Addition