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• WI.Math.Content.2.OA.B.2
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This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important asects of the task and its potential use. Here are the first few lines of the commentary for this task: Materials * Whiteboard or chart paper and markers * Empty number line or magnetic cubes lined up on the whiteboard, alternating colors every 5 (see sol...

Subject:
Mathematics
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
06/23/2013
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This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important asects of the task and its potential use. Here are the first few lines of the commentary for this task: Materials * Number cards labeled 1-10 (attached as a PDF) Actions * Begin by playing the game as a whole class to demonstrate the rules and for student...

Subject:
Mathematics
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
06/23/2013
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This is a modified lesson 4 module 1 grade 2 from EngageNY, make a ten to add within 20.

Subject:
Education
Mathematics
Material Type:
Lesson
08/21/2019
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Once students have the concept of doubles down as a fact strategy they can then use this fact to identify relationships about other number facts. Students recognize the patterns and relationships between the numbers while modelling using concrete manipulatives and diagrams. This is a strategy that uses &nbsp;Counting On and Doubles as a combined strategy.&nbsp;

Subject:
Numbers and Operations
Material Type:
Lesson Plan
Author:
Samuel Shackleford
05/29/2018
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Provided in the content is only one doubles sheet. To play with more than one student at a time, multiple copies will have to be made with different patterns. Some students will still need to have concrete manipulatives available to them so that the can create the double, or you might ask the students to make a picture to should how they doubled (did they make pairs, did they count out the given value and then make a copy).For each player distribute:1 card.20 counters to mark spaces on the cardCaller should have:1 10-faced die1 spinner split into sixths each sixth should have a letter from the word D-O-U-B-L-E in it.Directions:Have the caller read out a letter-number combination. The caller should roll the die and spinner the spinner to identify the letter-number combination.Place a chip on your scorecard if you have that letter and number. Students will find the letter given by the and will have to double the value from the die since every number on a Doubles card should only have numbers that can be created by doubling. Continue playing until someone gets 5 chips in a row on their scorecard. Othe variations include Blackout (fill the whole card), X Marks the Spot (two diagonal lines that intersect in the middle and include the four corners), Perimeter-or Square (fill all of the spaces on the outside edge), etcShout &quot;DOUBLE&rdquo; if you get 5 squares in a row (or you have completed the variation).Repeat

Subject:
Numbers and Operations
Material Type:
Lesson Plan
Author:
Samuel Shackleford
05/29/2018
Rating
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In this 6-lesson unit, students explore 5 models of subtraction (counting, sets, number line, balanced equations, and inverse of addition) using connecting cubes. The lesson activities focus on the comparative mode of subtraction as children investigate the relationship between addition and subtraction, write story problems in which comparison is required, and practice the subtraction facts. The lessons include printable student activity sheets, a bibliography of children's counting books, questions for student discussion and teacher reflection, assessment options, extensions, and links to online applets (cataloged separately).

Subject:
Mathematics
Material Type:
Interactive
Lesson Plan
Provider:
National Council of Teachers of Mathematics
Provider Set:
Illuminations
Author:
Grace M. Burton
11/05/2012
Restricted Use
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This resource is a lesson introducing and/or reinforcing the mathematical concept of counting on and counting back.  The teacher uses a counting book of their choice or you can choose from the bibliography list provided on the website.  As the teacher reads, the students use counting cubes to count on or count back depending on the book chosen.  Students display their cubes both horizontally and vertically and then record their answers horizontally and vertically.

Subject:
Mathematics
Material Type:
Interactive
Lesson Plan
Provider:
National Council of Teachers of Mathmatics
05/05/2016
Rating
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This lesson plan introduces the game Deep Sea Duel, which develops students' operation skills and strategic thinking, and can be played online or with cards. After playing several variations of the game, students attempt to identify a winning strategy and compare the game to other familiar games. Variations include whole numbers, decimals, fractions, exponents, and words. The lesson includes printable cards and a student worksheet, questions for student discussion and teacher reflection, assessment options, and extensions. The online game and the cited article are cataloged separately.

Subject:
Algebra
Mathematics
Material Type:
Interactive
Lesson Plan
Provider:
National Council of Teachers of Mathematics
Provider Set:
Illuminations
Author:
G. Patrick Vennebush
11/05/2013
Rating
0.0 stars

In this 6-lesson unit, students use dominoes to explore four models of addition: counting, number line, sets, and balanced equations. They learn about the commutative property, the relation between addition and subtraction, the result of adding 0, and the concept of doubles. Students write story problems which involve the operation of addition and begin to memorize the addition facts. They represent addition in pictures. The various models of addition help students develop a rich conceptual schema for addition. Included are a Bibliography of Counting Books, student materials, questions for student and teacher reflection, assessment and extension ideas. [Suggestion: Use the alternate applet, Pan Balance - Numbers, listed as a Related Resource, rather than Pan Balance - Shapes, in Lesson 4.]

Subject:
Mathematics
Material Type:
Interactive
Lesson Plan
Provider:
National Council of Teachers of Mathematics
Provider Set:
Illuminations
Author:
Grace M. Burton
11/05/2012
Rating
0.0 stars

In this unit, students use online pan balances to study equality, order of operations, numerical and variable expressions, and other key algebraic concepts. Lessons focus on balancing shapes to study equality and equivalence; balancing algebraic understanding, to explore simplifying expressions; and balancing algebra, to determine if algebraic expressions are equal.

Subject:
Algebra
Mathematics
Material Type:
Interactive
Lesson Plan
Provider:
National Council of Teachers of Mathematics
Provider Set:
Illuminations
Author:
Marcy Cook
11/05/2008
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CC BY-NC-SA
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Module 1 sets the foundation for students to master the sums and differences to 20 and to  subsequently apply these skills to fluently add one-digit to two-digit numbers at least through 100 using place value understandings, properties of operations and the relationship between addition and subtraction.

Subject:
Mathematics
Numbers and Operations
Material Type:
Module
Provider:
New York State Education Department
Provider Set:
EngageNY
05/11/2013
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CC BY-NC
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This google slide show is for use with grade 2 students as a routine to build number sense. Strings of expressions are used to build connections and as a springboard for discussion. Each slide has a target addition strategy, though other strategies are encouraged as well.

Subject:
Mathematics
Material Type:
Activity/Lab
08/02/2019
Conditional Remix & Share Permitted
CC BY-NC
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This google slide show is for use with grade 2 students as a routine to build number sense. Strings of expressions are used to build connections and as a springboard for discussion. Each slide has a target addition strategy, though other strategies are encouraged as well.

Subject:
Mathematics
Material Type:
Activity/Lab
08/02/2019
Conditional Remix & Share Permitted
CC BY-NC
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This google slide show will be used by grade 2 teachers with their students as a numeracy routine. Students should be given time to notice and wonder about each slide. Focus is on composing and decomposing numbers as well as discussion of addition and subtraction strategies. Steve Wyborney is the original creator.

Subject:
Mathematics
Material Type:
Activity/Lab
08/02/2019
Rating
0.0 stars

KenKen is a puzzle game that helps students develop whole number calculation skills, logical thinking and perseverance. Users complete the interactive grid with the digits 1-4 (or 1-6) so that each digit appears exactly once in each row or column, while also forming a target number using a specific operation. This page provides four new KenKen puzzles daily with a range of difficulty. Each puzzle includes instructions, rules, and a print option.

Subject:
Mathematics
Material Type:
Interactive
Lesson Plan
Provider:
National Council of Teachers of Mathematics
Provider Set:
Illuminations
Author:
Tetsuya Miyamoto
11/05/2012
Rating
0.0 stars

This 5-lesson unit is intended to help children who already understand the meanings of addition to develop fluency with addition facts. The activities and games take advantage of commutativity, the additive identity, doubles, and number patterns to develop operation sense and foster retention. Lessons include student materials, questions for students and teachers, assessment ideas, and links to interactive applets.

Subject:
Mathematics
Material Type:
Interactive
Lesson Plan
Provider:
National Council of Teachers of Mathematics
Provider Set:
Illuminations
Author:
Grace M. Burton
11/05/2012
Rating
0.0 stars

In this unit plan, primary learners explore the five models of subtraction (counting, sets, number line, balanced equations, and inverse of addition) using concrete (links), pictorial, and verbal representations to develop an understanding of symbolic notations. Students also investigate fact families, including those where one addend is 0 and where the addends are alike and also learn that the order (commutative) property) does not hold for subtraction. A brief bibliography of related books for children is provided. Instead of using hands on manipulatives and balances, links to Java applets: Pan Balance-Shapes and Pan Balance-Numbers ( both cataloged separately) are included. Instructional plan, questions for the students, assessment options, extensions,and teacher reflections are given for each lesson as well as links to down load all student resources.

Subject:
Algebra
Mathematics
Material Type:
Interactive
Lesson Plan
Provider:
National Council of Teachers of Mathematics
Provider Set:
Illuminations
Author:
Grace M. Burton
11/05/2011
Rating
0.0 stars

In this lesson students find and record addends that sum to ten in three different activities, using ten frames, linking cubes, two-sided counters, and a concentration game. The lesson includes suggestions for assessment and extension, reflection questions for students and teachers, links to related resources, and printable materials (pdf).

Subject:
Algebra
Mathematics
Material Type:
Interactive
Lesson Plan
Provider:
National Council of Teachers of Mathematics
Provider Set:
Illuminations
Author:
Susan Andrews Kunze
11/05/2014
Rating
0.0 stars

Thinking about numbers using frames of 10 can be a helpful way to learn basic number facts. The four games that can be played with this applet help to develop counting and addition skills. (This applet works well when used in conjunction with the Five Frame applet.)

Subject:
Mathematics
Numbers and Operations
Material Type:
Interactive
Lesson Plan
Provider:
National Council of Teachers of Mathematics
Provider Set:
Illuminations