Rounding
Round 14 to the nearest ten
10
567+420
987
4,400+1,000
5,400
What property tells us when you add zero, the answer will be the same number?
Identity
Jasper has 1,300 fish at his home. He got some more and now has 2,300. How many did he get?
1000
Round 87 to the nearest hundred
100
124+555
679
3,590+2,000
5,590
What property is this?
8+6=14
6+8=14
Commutative
Sophia bought 560 jelly beans at the store. When she brought them home, she only has 550. How many did she drop?
10 Jelly Beans
37+16=
60
967+123
1,090
8,967+2,385
11,352
What property is this?
(7+1)+6=6+(1+7)
Associative
6,580 necklaces
Round 1,456 to the nearest hundred
1,500
555+999
1,554
7,500+3,000
10,500
What is the missing number
7+1=____+7
Mrs. Ahn had 9,890 colored pencils. Mr. Locke gave her some more. How she has 9,900. How many did he give her?
10 colored pencils
Round 6,789 to the nearest ten
6,790
673+345
1,018
4,356+5,233
9,589
What are the three properties of addition?
Identity, Commutative, and Associative
Ms. Donner bought 2,543 m&m's for her math class. She gave away 100 to the students. How many does she have now?
2,443 m&m's