Mastering Addition with the Associative Property

Lily has 3 apples. She buys 2 more apples and then 4 bananas. How many pieces of fruit does she have in total? (Use the associative property to group the apples first.)

• 5

• 7

• 9

• 10

Tags

CCSS.2.OA.A.1

Tom has 5 toy cars. His friend gives him 3 more cars, and then he finds 2 cars in his room. How many toy cars does Tom have now? (Group the toy cars to solve.)

• 7

• 10

• 9

• 8

Tags

CCSS.2.OA.A.1

A baker made 6 chocolate cakes and 4 vanilla cakes. Then, he made 5 more chocolate cakes. How many cakes did he make in total? (Use the associative property to add the chocolate cakes together first.)

• 10

• 12

• 18

• 15

Tags

CCSS.2.OA.A.1

Sarah has 7 stickers. She gets 2 more from her friend and then buys 3 more. How many stickers does Sarah have now? (Group the stickers to find the total.)

• 10

• 15

• 12

• 9

Tags

CCSS.2.OA.C.3

In a classroom, there are 8 red balloons and 5 blue balloons. The teacher brings in 2 green balloons. How many balloons are there in total? (Use the associative property to add the red and blue balloons first.)

• 15

• 14

• 12

• 10

Tags

CCSS.2.OA.A.1

A farmer has 4 cows, 3 sheep, and 5 chickens. How many animals does he have altogether? (Group the cows and sheep first to find the total.)

• 15

• 12

• 10

• 8

Tags

CCSS.2.OA.A.1

Emma read 6 books in January, 4 books in February, and 5 books in March. How many books did she read in total? (Use the associative property to add the January and February books first.)

• 18

• 10

• 15

• 12

Tags

CCSS.1.OA.B.3

Jake has 9 marbles. He wins 3 more marbles in a game and then finds 2 marbles under the couch. How many marbles does Jake have now? (Group the marbles to solve.)

• 16

• 12

• 14

• 10

Tags

CCSS.2.OA.A.1

A gardener planted 5 roses, 3 tulips, and 4 daisies. How many flowers did he plant in total? (Use the associative property to add the roses and tulips first.)

• 12

• 15

• 8

• 10

Tags

CCSS.HSN.CN.A.2

Mia has 10 crayons. She gives 2 to her friend and then finds 3 more in her backpack. How many crayons does Mia have now? (Group the crayons to find the total.)

• 9

• 8

• 11

• 12

Tags

CCSS.2.OA.A.1