Addition Properties
What addition property is this?
5+8 = 8+5
Communative Property
What is the addition pattern?
1, 3, 5, 7, 9, 11
Add 2
234 + 125=
359
Estimate the sum. Round to the nearest 10.
34 + 49 =
2,145 + 1,321=
3,466
What addition property is this?
4+0 = 4
Identity Property
What is the addition pattern?
2, 12, 22, 32, 42, 52, 62
Add 10
342 + 257 =
599
Estimate the sum. Round to the nearest 10.
56 + 72 =
60 + 70 = 130
1,246 + 3,649 =
4,895
What addition property is this?
(8+2) + 4 =
Associative Property
Fill in the missing number
156, 158, 160, ___, 164, 166
162
481 + 318 =
799
Estimate the sum. Round to the nearest 100.
354 + 479 =
400 + 500 = 900
4,895 + 2,473 =
7,368
Give an example of the communative property.
Check!
Fill in the missing number.
1,236; 1,336; ___; 1,536; 1,636
1,436
785 + 192
977
Estimate the sum. Round to the greatest place value
92 + 634=
90 + 600 = 690
5,910 + 4,043=
9,953
Mia says that she can add 25 + 10 + 5 in any order and get the same answer. What property is she using?
Communative Property
Every day, Olivia adds 100 more jumping jacks to her total. On Monday she did 100, on Tuesday she did 200, and on Wednesday she did 300. How many will she do on Thursday?
400
A library has 326 fiction books and 275 nonfiction books. How many books does the library have in total?
601 books
A farmer picked 347 apples on Monday and 268 on Tuesday. About how many apples did he pick in total? Round to the greatest place value
300 + 300 = 600
A zoo had 2,458 visitors on Saturday and 3,276 visitors on Sunday. How many visitors came over the weekend?
5,734