NBT-Use+place+value+understanding+and+properties+of+operations+to+add+and+subtract

2.NBT.5. Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction. 2.NBT.6. Add up to four two-digit numbers using strategies based on place value and properties of operations. 2.NBT.7. Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that in adding or subtracting three-digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds. 2.NBT.8. Mentally add 10 or 100 to a given number 100–900, and mentally subtract 10 or 100 from a given number 100–900. 2.NBT.9. Explain why addition and subtraction strategies work, using place value and the properties of operations.* __Mathematical Practices__ MP2. Reason abstractly and quantitatively. MP3. Construct viable arguments and critique the reasoning of others. MP4. Model with mathematics. MP5. Use appropriate tools strategically. MP6. Attend to precision. MP7. Look for and make use of structure. MP8. Look for and express regularity in repeated reasoning. || 2.IN.1.2 Summarize appropriate reading strategies when reading for information. 2.TT.1.2 Use a variety of technology tools to organize data and information (e.g., word processor, graphic organizer, audio and visual recording, online collaboration tools, etc.). 2.TT.1.3 Use technology tools to present data and information (multimedia, audio and visual recording, online collaboration tools, etc.). 2.SE.1.1 Use technology hardware and software responsibly. . || ===‍‍‍**Revised Bloom's Level of thinking**=== Level 1 - Remembering Exhibit memory of previously learned material by recalling facts, terms, basic concepts, and answers. Level 2 - Understanding Demonstrate understanding of facts and ideas by organizing, comparing, translating, interpreting, giving descriptions, and stating main ideas. Level 3 - Applying Solve problems to new situations by applying acquired knowledge, facts, techniques and rules in a different way. Level 4 – Analyzed Examine and break information into parts by identifying motives or causes. Make inferences and find evidence to support generalizations. Level 5 – Evaluating Present and defend opinions by making judgments about information, validity of ideas, or quality of work based on a set of criteria. Level 6 - Creating Compile information together in a different way by combining elements in a new pattern or proposing alternative solutions. ||
 * ===**Common Core Standards**===
 * Explanations may be supported by drawings or objects. || ===‍‍‍**Anchor Standard/Mathematical Practice(s)**===
 * ===‍‍‍**Information Technology Standard**===

**‍‍‍Essential Vocabulary**

 * mental strategy**
 * explain**
 * addend**
 * difference**
 * solve**
 * sum**
 * plus/minus**

‍‍‍**Sample Assessments**
2.NBT.5 - 2.NBT.9

2.NBT.5 Subtracting with Regrouping

Addition within 100Addition within 100b



[|exit_ticket_2NBT6.docx]

[[file:NBT_7.docx]]
exit ticket 2NBT8

Number Line Ticket Out the Door

Formative Assessments

Anecdotal Notes

Teacher Observations

Math 3d

‍‍‍**Intervention:**
[|www.ixl.com] Practice Under ** 2.NBT.5 **


 * Possible Activities: **

Close to 100

Keep on Doubling

[|Number Wheel Spin]

[|www.ixl.com] Practice

Week By Week Game:

Week 12 Daytona 500

Use a Hundreds/Tens/ Ones Work Mat with base ten blocks to add and subtract within 1,000

BBC Skills Game

(See first resource)


 * Possible Activities: **

[|Ten More] (k-5mathteachingresource)

Add & Subtract Whole Tens: Homeschoolmath.com

Classroom Strategies:

1.04 F, G, H, I, J, S &

K- “Foxy Boxes”

‍‍‍**Enrichment:**
Add and Subtract larger numbers


 * Science: **

2.E.1

Students can record the temperature over a period of four to five days. Then add the numbers together to get an **Average** of what they weather was for the week. BBC Skills Game (See first resource)

Puzzle Corner on:

Homeschoolmath.com Classroom Indicators: 1.04 B, C & E

‍‍‍**Instructional Resources**

 * [] **


 * [] **


 * [] **


 * http://daretodifferentiate.wikispaces.com/Choice+Boards **


 * [] **
 * earlymath/grades_games_pbs.html **

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[|www.naeyc.org] (book titles)

Teaching Student-Centered MATHEMATICS Grades K-3 By: John A. Van de Walle

[]

Math Start Books By: Stuart J. Murphy []

[|www.archive.org/details/3DigitAdditionStrategies]

[|www.homeschoolmath.net]