## Description

This Operations and Algebraic Thinking (word problems and addition and subtraction) pack is a Short Answer resources to use when teaching Operations and Algebraic Thinking! There are short answer questions for topics such as word problems, subtraction fluency, addition fluency, and more! This is perfect to use when teaching students how to answer constructed response questions.

In this pack, you are able to choose the format that you would like to use for your students. You can either print the pages of as traditional worksheets to put into a folder or a binder. Or you could print the strips off for an interactive notebook.

***There is now a digital component included in this resource. The word problem worksheets are now created in Google Slides.**

There is also a problem solving strategy page at the beginning. One is a poster to print and keep in your classroom. The other are small bookmarks for students to hold onto while they are learning.

This item aligns to the Common Core standards for the Operations and Algebraic Thinking domain, but you don’t have to be a Common Core classroom to use this pack!

**Topics Covered:**

- Word Problems to 10
- Word Problems to 20
- Adding 3 Numbers
- Addition and Subtraction Strategies
- Addition and Subtraction Fluency
- Using Counting to Add and Subtract
- Unknown Addends
- Equal Sign

**You can save money by buying this interactive notebook pack in a bundle of four other CCSS math short answers!
**Click here for the bundle.

**You can also save even MORE money by buying this pack within the First Grade Common Core Math Mega Bundle!
**Click here for the Math First Grade MEGA Bundle.

**Not interested in buying bundles? But you still want 1st grade OA products?
**Click here for OA printables.

Click here for OA centers.

Click here for OA interactive notebook activities.

**This purchase is for one single classroom only.
**If you’re interested in sharing with other classrooms, make sure to buy the extra licenses. If you are interested in a site license, please contact me for a quote at jessica.L.tobin@gmail.com.

CCSS.Math.Content.1.OA.A.1 (1.OA.1)

Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.

CCSS.Math.Content.1.OA.A.2 (1.OA.2)

Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.

CCSS.Math.Content.1.OA.B.3 (1.OA.3)

Apply properties of operations as strategies to add and subtract. Examples: If 8 + 3 = 11 is known, then 3 + 8 = 11 is also known. (Commutative property of addition.) To add 2 + 6 + 4, the second two numbers can be added to make a ten, so 2 + 6 + 4 = 2 + 10 = 12. (Associative property of addition.)

CCSS.Math.Content.1.OA.B.4 (1.OA.4)

Understand subtraction as an unknown-addend problem. For example, subtract 10 – 8 by finding the number that makes 10 when added to 8.

CCSS.Math.Content.1.OA.C.5 (1.OA.5)

Relate counting to addition and subtraction (e.g., by counting on 2 to add 2).

CCSS.Math.Content.1.OA.C.6 (1.OA.6)

Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a ten (e.g., 13 – 4 = 13 – 3 – 1 = 10 – 1 = 9); using the relationship between addition and subtraction (e.g., knowing that 8 + 4 = 12, one knows 12 – 8 = 4); and creating equivalent but easier or known sums (e.g., adding 6 + 7 by creating the known equivalent 6 + 6 + 1 = 12 + 1 = 13).

CCSS.Math.Content.1.OA.D.7 (1.OA7)

Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false. For example, which of the following equations are true and which are false? 6 = 6, 7 = 8 – 1, 5 + 2 = 2 + 5, 4 + 1 = 5 + 2.

CCSS.Math.Content.1.OA.D.8 (1.OA.8)

Determine the unknown whole number in an addition or subtraction equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 + ? = 11, 5 = _ – 3, 6 + 6 = _.

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