# Common Core: Under The Sea Addition and Subtraction for First Grade

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2 MB|18 pages
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These addition and subtraction word problems are directly aligned with the Common Core Standards 1.OA.1, 1.OA.2, and 1.OA.8. They are worded in such a way that is directly taken from the Common Core. Children are expected to solve addition and subtraction word problems with unknowns in all positions.

There are two pages of each word problem included so you are able to differentiate between your students. The first page of each problem does not give the child any of the numbers in the respected spots in the number sentence. There is also no picture starter for the student to show their work. This page is for your students who are at a higher level. The second page of each problem is for you to use with your students who need extra support. It gives the student two out of the three numbers in the word problem where they belong. This leaves the child with having to find the unknown in the correct location. It also gives them a picture starter to begin showing their work.

I have included three word problems in both addition and subtraction for each of the unknown locations.
-One addition/Subtraction Result unknown (ex. 4+2=? or 5-2=?)
-One addition/subtraction Change unknown (ex. 4+?=6 or 5-?=3)
-One addition/subtraction Start unknown (ex. ?+2=6 or ?-2=3)

This makes a total of 3 addition word problems and 3 subtraction word problems with each problem differentiated for your needs.

There are also four pages of addition and subtraction problems included that are aligned to 1.OA.8. Where students are expected to determine the unknown whole number in an addition or subtraction equation relating to three whole numbers.

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18 pages
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