Missing Addend
4+___ = 12
8
Estimate the sum:
48+24=
50+20=70
529+248=
*do you regroup?
777
What addition property is shown below:
1+5 = 5+1
Commutative Property
Antonio collected 39 stamps. Merryll collects 81 stamps. How many do they collect all together?
39+81=120 stamps
78 = 62 + ____
16
Estimate the sum:
189+622=
200+600=800
1489+423
*do you regroup?
1912
What addition property is shown below:
2+(3+5) = (2+3)+5
Associative Property
Brielle has 59 apples. She went to the store and bought 468 apples. How many apples does Brielle have now?
527 apples
Use the commutative property to solve
___ + 4 + ____ = 3 + 7 + ___
3+4+7=3+7+4
(both sides equal 14)
What is the estimate sum?
872 +378=
900+400=1300
5293+2741=
8034
Give an example of the identity property.
anything + 0
Jaden's family drives 1,304 miles on Monday. They drive 582 on Tuesday. Estimate the sum of their travels for both days to the nearest hundred.
1304 -- 1300 / 582 -- 600
1300+600=1900 miles
43+___ = 61
18
Estimate the sum:
3850+1983
4000+2000=6000
4910+532=
5442
Give your own example of the commutative property.
answers will vary
Emily has 394 sprinkles on her ice cream. Cameron has 482 sprinkles. Gavin has 6 cherries on his ice cream. How many total sprinkles do Emily and Cameron have?
394+482= 876 sprinkles
*eliminate the Gavin information
109 + ____ = 149
Estimate the sum:
4892+582
5000+600=5600
3,256+7,980+1,313=
12,549
Give your own example of the associative property.
answers will vary
*needs parenthesis
Elijah has 293 Pokemon cards. Arman has 451 Pokemon cards. They need to have 815 to beat the school record. How many more do they need to beat the school record?
293+451=744
815-744=71 more cards.