Common Core State Standards

Operations and Algebraic Thinking                    2.0A

Suggested Activities:

2.0A.1  Use addition and subtraction within 100 to solve one- and two- step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g. by using drawings and equations with a symbol for the unknown number to represent the problem.

·        Ongoing-Entire Standard and Activities

·        This standard was introduced in the 1st Six Weeks

·        enVision topics 1, 2, & 3 and enVision center activities (1-1), (2-1) and (3-1) were listed to help teach this standard along with the following activities below

·        Singapore Math

·        Activities found on

www.k-5mathteachingresources.com – Numbers

o   Magic Triangles

o   Magic Squares

·        Education City - Dungeon Run (1),

            Prince Charming (1), Dancing Robot (1)

·        Brain Pop Jr. – Basic Addition, Basic Subtraction

·        Harcourt Practice and Problem Solving /Reading Strategies examples…enclosed in packet.

 

2.0A.2 Fluently add and subtract within 20 using mental strategies.  By end of Grade 2, know from memory all sums of two one-digit numbers.   

·        Ongoing-Entire Standard and Activities

·        This standard was introduced in the 1st Six Weeks and additional Mental Math strategies were introduced in the 2nd Six Weeks

·        The following activities were listed to help teach this standard

·        Selected lessons from enVision Math Text Topics 1,2,3,6,& 7 along with enVision center activities

(1-1, 2-1, 3-1, 6-1, & 7-1)

·        Math Facts in a Flash

·        Activities found on

www.k-5mathteachingresources.com – Numbers

o   Nine Plus

o   Fact Family House

o   Double Plus  One

o   Double Minus One

o   Eleven More

o   Number Relationships

o   Number Relationship Mats

·        Education City – Dancing Robot (2)

·        Prince Charming (1),Water Raider(1)

·        Education city – Math-Play Live

·        Education City – Topic Tools – Addition

·        Harcourt Practice and Problem Solving/Reading Strategies were enclosed in packet

 

2.0A.4 Use addition to find the total number of objects arranged in rectangular arrays with up to 5 rows and up to 5 columns; write an equation to express the total as a sum of equal addends.

·        enVision Math Text Topic  19 Multiplication

·        enVision Math Text Topic 20..Can be used as an extension of this standard

·        enVision Center Activities (19-2),

·        Education City – Field Goal (1), Soccer Stars (2)

·        Brain Pop Jr. – Array

·        Brain Pop Jr. – Make Equal Groups

·        Harcourt Practice and Problem Solving/Reading Strategies examples-enclosed in packet

·        Activities found on

www.k-5mathteachingresources.com – Numbers

o   Making Arrays

o   Making Different Sized Squares

Number and Operations in Base Ten              2.NBT

 

2.NBT.2 Count within 1000; skip-count by 5s, 10s, and 100s.

·        Ongoing-Entire Standard and Activities

·        This standard was introduced in the 4th Six Weeks

·        enVision Topics 4…lesson 8 & Topic 7…lesson 5 and enVision center activities (4-8) & (17-5) were listed to help teach this standard along with the following activities below

·        Education City – Captain Cod (1), and

Mrs. Cow’s Milk (2)

·        Harcourt Practice and Problem Solving/Reading Strategies examples were enclosed in the packet

·        Activities found on

www.k-5mathteachingresources.com – Numbers

o   Skip Counting Cards

o   Skip Counting by 2 Cards

o   Skip Counting by 5 Cards

o   Skip Counting by 10 Cards

o   Count by Fives

o   Count by Fives Gameboard

o   Count by Tens

o   Count by Tens Gameboard

o   Count Collections

 

2.NBT. 3 Read and write numbers to 1000 using base-ten numerals, number names, and expanded form.

·        Ongoing-Entire Standard and Activities

·        This standard was introduced in the 4th Six Weeks

·        enVision Math topic 17 and enVision center activities (17-1) & (17-3) were listed to help teach this standard along with the following activities below

·        Education City – Catch a Kuko (1)

·        Activities found on

www.k-5mathteachingresources.com – Numbers

o   Number Word Concentration

o   Representing Numbers in Four Ways

o   Number Writing Barrier Game

o   Roll 3 Digits

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. 

·        Ongoing-Entire Standard and Activities

·        This standard was introduced in the 2nd Six Weeks

·        enVision topics 6 & 7 and enVision center activities (6-3) & (7-1) were listed to help teach this standard along with the following activities below

·        Singapore Math

·        Activities found on

www.k-5mathteachingresources.com – Numbers

o   Close to 100

o   Keep on Doubling

o   Number Wheel Spin

·        Education City – Dancing Robot (1), Soccer Stars (1)

·        Harcourt Practice and Problem Solving/Reading Strategies examples were enclosed in packet

2.NBT.9  Explain why addition and subtraction strategies work, using place value and the properties of operations. 

·        Ongoing-Entire Standard and Activities

·        This standard was introduced in the 1st Six Weeks

·        The following activities below were listed to help teach this standard

·        Singapore Math

·        Education City – Dungeon Run (1)

·        Brain Pop Jr. – Place Value

·        Harcourt Practice and Problem Solving/Reading Strategies examples were enclosed in packet