Addition Properties
Solve. What's the addition property?
33+0= ?
33; Identity
43 + 39 = ?
82
There are 134 dogs in the animal shelter and 65 kittens. How many animals are there in all?
Write 4,356 in expanded form.
4,000+300+50+6
Solve. What is the addition property?
7+8= ?
8+7= ?
15; Commutative
162 + 128 = ?
290
Sally went to the movies. She watched one movie that was 56 minutes long and another movie that was 168 minutes long. How long did Sally watch movies for?
Sally watched movies for 224 minutes.
Round 358 to the nearest hundred.
400
Solve. What is the addition property?
2 + (5+6) = ?
(2+5) + 6 = ?
13; Associative Property
1,658 + 485 = ?
2,143
Sadie buys 6 vanilla cupcakes, 16 chocolate cupcakes, and 100 strawberry cupcakes. How many cupcakes did Sadie buy?
Sadie bought 122 cupcakes.
Round 656 to the nearest tenth.
660
Solve. What is the addition property?
0 + 100 = ?
100; identity
$2,543 + $1,329 = ?
3,872
Hannah has 4 yellow apples, 27 green apples, and 300 red apples. How many apples does she have in all?
Hannah has 331 apples in all.
Tell me if <, >, or =
2,456 ( ) 2,457
2,457 < 2,458
9 +(1+2) = ?
(9+1) + 2 = ?
12; Associative
$1,289 + $1,862 = ?
3,151
The grocery stores sells basketballs for $25, basketball shoes for $30, and a basketball hoop for $439. If Greg buys all three, what will he spend?
Greg will spend $494.
Round 867 to the nearest hundred.
900