Compose and decompose
Solve using compose and decompose
132+126=
258
Solve using number line
143+125=
268
I had a container with 148 skittles. I bought another container with 148 skittles. How many do I have now?
296
Solve using compose and decompose
306+245=
551
Solve using number line
457-234=
223
I read a book with 46 pages. Then I read another book with 31 pages. Then read a third book with 14 pages. How many total pages did I read?
91 pages
Solve using compose and decompose
425+248=
673
solve using number line
649+215=
864
There was an ant hill with 324 ants on it. 181 of the ants went to find food. How many ants were left?
143 ants were left
Solve using compose and decompose
663+279=
942
Solve using number line
574+376=
950
There was 427 sprinkles in the bottle. I used some to make cupcakes. Then there was 381 sprinkles left. How many sprinkles did i use to make cupcakes?
46 sprinkles
Solve using compose and decompose
714-579=
135
912-688=
224
One nice spring day I counted every single leaf on the tree outside my house. There was 2539 leaves on the tree. WOW Thats a lot of leaves I thought. That night when I went to bed there was a giant wind storm. That morning I went outside and some of the leaves had blown off the tree. There was 643 leaves on the ground that had blown off the tree. How many leaves are on the tree now?
1896