# Digital Problem Solving Google Slides™ Combining Change Unknown 1st Math 1.OA.1

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### Description

Will you be having math centers and stations in the classroom, using distance learning, hybrid learning or in the classroom this year? Now, Problem Solving **Mega Math Practice 1.OA.1 **is adaptable to whatever learning situation in which you find yourself. Now **DIGITAL **for use with **Google Slides™**. First-grade math students need daily number sense practice. These** DIGITAL + PRINTABLE**, easy-to-use first grade **Mega Math Practice **activities are the perfect way to practice the standard. They are great for morning work, homework in the classroom, or for distance learning.

****Combining-Change Unknown*****

This is the second of eleven addition and subtraction problem-solving types

**CLICK on the video above to see how this unit works!**

**This unit includes both a DIGITAL version that is compatible with Google Slides™ and the traditional PDF version that can be used for distance learning.**

**For an entirely DIGITAL version for use with Google Slides™ CLICK HERE.**

**For the PDF printables ideal for distance learning only CLICK HERE.**

**Try the Mega Math Practice 1.OA bundle here:**

**Mega Math Practice {Through the Year Bundle} First Grade Math 1.OA **

**Combining-Change Unknown***

This is the second of eleven addition and subtraction problem-solving types.

**Try the FREEBIE PREVIEW.**

There are eleven types of addition and subtraction problems that will be highlighted in this unit: The price of this unit will increase as more parts are added.

**1) Addition: Combining, Sum Unknown (Now available - 65 pages)**

*2) Addition: Combining, Change Unknown (Now available - 65 pages)*

**3) Addition: Combining, Start Unknown (Now available - 65 pages)**

**4) Subtraction: Separating, Difference Unknown (Now available - 65 pages)**

**5) Subtraction: Separating, Change Unknown (Now available - 65 pages)**

**6) Subtraction: Separating, Start Unknown (Now available - 65 pages)**

**7) Part/Part/Whole: Whole Unknown (Now available - 65 pages)**

**8) Part/Part/Whole: Part Unknown (Now available - 65 pages)**

**9) Comparing: Difference Unknown (Now available - 65 pages)**

**10) Comparing: Larger Part Unknown (Now available - 65 pages)**

**11) Comparing: Smaller Part Unknown (Now available - 65 pages) **

*******A major part of the 1.OA.1 standard is understanding the different ways in which word problems may be presented*******

**All Types of problems include practice that includes:**

** Picture Models**

** Tell About the Picture**

** Write About the Picture**

** Draw a Picture**

** Using Counters**

** Use a Ten Frame**

** Use a Bar Model**

** Draw a Bar Model**

Are your students ready for the challenges of the 21st century? Problem-solving and critical thinking skills are at the very heart of getting our kids ready to navigate the world of the 21st century. Teachers need to understand the ways in which students acquire number sense, and then lead them through developing a problem-solving process that will take them through to higher-level mathematics. Mega Math Practice 1.OA.1 gives your students a lot of practice representing and solving problems. The standards 1.OA.1 & 1.OA.2 are all about learning the problem-solving process. Young mathematicians not only need to learn how to manipulate numbers through computation but also need to be able to understand that numbers represent something. For that reason, mathematical computation should always be taught in the context of real-life problem-solving.

The days of teaching “word problems” or “story problems’ in isolation is over! Students need to gain a foundation of problem-solving in the context of learning new math skills. Even before students can read, problem-solving situations must be presented to learners. Students also need many opportunities to work with different kinds of problems and different strategies to represent and solve those problems, including the use of manipulatives and model drawing. In addition, hands-on practice should also be combined with the use of model drawing. The whole process of representing and solving problems in mathematics using a variety of strategies is imperative for your students to master so that they can understand higher-level math concepts.

Each section will contain approximately 65 pages. All of these problems will also be a part of my MEGA MATH PRACTICE 1.OA.1 GROWING BUNDLE. This unit includes practice with all eleven types of problems using a variety of practice situations including using manipulatives, picture and model drawing and math writing. I use these pages during our “written math practice” rotation during math workshop/guided math time. These pages can also be used for early finishers or homework during the time that you teach the 1.OA.1 math strategy. Watch for more MEGA MATH PRACTICE units to come aligned with the Common Core State Standards.

**Try the Mega Math Practice 1.OA bundle here:**

**Mega Math Practice {Through the Year Bundle} First Grade Math 1.OA **

I have used guided math in my classroom for over ten years. I begin my teaching time block teaching/spiraling math concepts as a whole group, but most of my math block is devoted to guided practice in small groups followed by independent or small group practice, centers and intervention. I begin my math time every day with a page from my popular **Number of the Day **series. You may find more math in this “printable” format in my store.

**This unit is aligned with the First Grade Common Core Math Standard 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.**

I hope that you and your kids enjoy this fun resource. Check out my store for lots of fun math units including my popular **Number of the Day** units for grades K-Second.

Watch for more fourth-grade test prep material aligned with the TEKS and the CCSC to come!

Enjoy!

Mrs Balius

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**This purchase is for one teacher only.**

• This material is copyrighted by Barbara Morgan Balius. The purchase of this copyrighted product includes a limited license for your classroom use. It is meant for use by one teacher in one classroom. You may use this resource for each of your students in one classroom.

The product may not be copied and distributed, uploaded to the internet, or stored in a public retrieval system outside of the scope of your classroom before obtaining written approval from its author, Barbara Morgan Balius. This resource is not an Open Education Resource (OER) and as such cannot be uploaded to any #GoOpen websites, including, but not limited to, Amazon Inspire. If you intend to use it for more than one classroom, a whole school, or a whole district, additional licenses may be purchased on Teachers pay Teachers in my store. The pages included in this resources may not be used in whole or in part to create something new, and/or be distributed in any way without written consent from the author, Barbara Morgan Balius.

If you have any questions pertaining to this limited license for this product, please contact mrsbaliusfirstgrade@aol.com for a quote.

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