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• Number and Operations in Base Ten
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Module 2 serves as a bridge from students' prior work with problem solving within 10 to work within 100 as students begin to solve addition and subtraction problems involving teen numbers. Students go beyond the Level 2 strategies of counting on and counting back as they learn Level 3 strategies informally called "make ten" or "take from ten."

Subject:
Mathematics
Number and Operations in Base Ten
Material Type:
Module
Provider:
New York State Education Department
Provider Set:
EngageNY
07/05/2013
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In this final module of the Grade 1 curriculum, students bring together their learning from Module 1 through Module 5 to learn the most challenging Grade 1 standards and celebrate their progress. As the module opens, students grapple with comparative word problem types. Next, they extend their understanding of and skill with tens and ones to numbers to 100. Students also extend their learning from Module 4 to the numbers to 100 to add and subtract. At the start of the second half of Module 6, students are introduced to nickels and quarters, having already used pennies and dimes in the context of their work with numbers to 40 in Module 4. Students use their knowledge of tens and ones to explore decompositions of the values of coins. The module concludes with fun fluency festivities to celebrate a year's worth of learning.

Subject:
Mathematics
Number and Operations in Base Ten
Material Type:
Module
Provider:
New York State Education Department
Provider Set:
EngageNY
12/30/2013
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In this 25-day Grade 2 module, students expand their skill with and understanding of units by bundling ones, tens, and hundreds up to a thousand with straws. Unlike the length of 10 centimeters in Module 2, these bundles are discrete sets. One unit can be grabbed and counted just like a banana?1 hundred, 2 hundred, 3 hundred, etc. A number in Grade 1 generally consisted of two different units, tens and ones. Now, in Grade 2, a number generally consists of three units: hundreds, tens, and ones. The bundled units are organized by separating them largest to smallest, ordered from left to right. Over the course of the module, instruction moves from physical bundles that show the proportionality of the units to non-proportional place value disks and to numerals on the place value chart.

Subject:
Mathematics
Number and Operations in Base Ten
Material Type:
Module
Provider:
New York State Education Department
Provider Set:
EngageNY
11/25/2012
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In Module 4, students develop place value strategies to fluently add and subtract within 100;åÊthey represent and solve one- and two-step word problems of varying types within 100;åÊand they develop conceptual understanding of addition and subtraction of multi-digit numbers within 200.åÊ Using a concrete to pictorial to abstract approach, students use manipulatives and math drawings to develop an understanding of the composition and decomposition of units, and they relate these representations to the standard algorithm for addition and subtraction.

Subject:
Mathematics
Number and Operations in Base Ten
Material Type:
Module
Provider:
New York State Education Department
Provider Set:
EngageNY
07/05/2013
Conditions of Use:
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Module 6 lays the conceptual foundation for multiplication and division in Grade 3 and for the idea that numbers other than 1, 10, and 100 can serve as units.åÊ Topics in this module include:åÊ Formation of Equal Groups, Arrays and Equal Groups, Rectangular Arrays as a Foundation for Multiplication and Division, and The Meaning of Even and Odd Numbers.

Subject:
Mathematics
Number and Operations in Base Ten
Material Type:
Module
Provider:
New York State Education Department
Provider Set:
EngageNY
12/30/2013
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Module 7 presents an opportunity for students to practice addition and subtraction strategies within 100 and problem-solving skills as they learn to work with various types of units within the contexts of length, money, and data.åÊ Students represent categorical and measurement data using picture graphs, bar graphs, and line plots.åÊ They revisit measuring and estimating length from Module 2, though now using both metric and customary units.

Subject:
Mathematics
Number and Operations in Base Ten
Material Type:
Module
Provider:
New York State Education Department
Provider Set:
EngageNY
02/01/2014
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This 25-day module builds directly on studentsåÕ work with multiplication and division in Module 1. Module 3 extends the study of factors from 2, 3, 4, 5, and 10 to include all units from 0 to 10, as well as multiples of 10 within 100. Similar to the organization of Module 1, the introduction of new factors in Module 3 spreads across topics. This allows students to build fluency with facts involving a particular unit before moving on. The factors are sequenced to facilitate systematic instruction with increasingly sophisticated strategies and patterns.

Subject:
Mathematics
Number and Operations in Base Ten
Material Type:
Module
Provider:
New York State Education Department
Provider Set:
EngageNY
08/01/2013
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In this 43-day module, students use place value understanding and visual representations to solve multiplication and division problems with multi-digit numbers. As a key area of focus for Grade 4, this module moves slowly but comprehensively to develop studentsåÕ ability to reason about the methods and models chosen to solve problems with multi-digit factors and dividends.

Subject:
Mathematics
Number and Operations in Base Ten
Material Type:
Module
Provider:
New York State Education Department
Provider Set:
EngageNY
08/30/2013
Conditions of Use:
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In Module 2 students apply patterns of the base ten systemåÊ to mental strategies and a sequential study of multiplication via area diagrams and the distributive property leading to fluency with the standard algorithm.åÊ Students move from whole numbers to multiplication with decimals, again using place value as a guide to reason and make estimations about products. Multiplication is explored as a method for expressing equivalent measures in both whole number and decimal forms.åÊ A similar sequence for division begins concretely with number disks as an introduction to division with multi-digit divisors and leads student to divide multi-digit whole number and decimal dividends by two-digit divisors using a vertical written method.åÊ In addition, students evaluate and write expressions, recording their calculations using the associative property and parentheses.åÊ Students apply the work of the module to solve multi-step word problems using multi-digit multiplication and division with unknowns representing either the group size or number of groups.åÊ An emphasis on the reasonableness of both products and quotients, interpretation of remainders and reasoning about the placement of decimals draws on skills learned throughout the module, including refining knowledge of place value, rounding, and estimation.

Subject:
Mathematics
Number and Operations in Base Ten
Material Type:
Module
Provider:
New York State Education Department
Provider Set:
EngageNY
07/05/2013
Conditions of Use:
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In Module 1, students used their existing understanding of multiplication and division as they began their study of ratios and rates. åÊIn Module 2, students complete their understanding of the four operations as they study division of whole numbers, division by a fraction and operations on multi-digit decimals. åÊThis expanded understanding serves to complete their study of the four operations with positive rational numbers, thereby preparing students for understanding, locating, and ordering negative rational numbers (Module 3) and algebraic expressions (Module 4).

Subject:
Mathematics
Number and Operations in Base Ten
Material Type:
Module
Provider:
New York State Education Department
Provider Set:
EngageNY
09/21/2013
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In Module 4, Expressions and Equations, students extend their arithmetic work to include using letters to represent numbers in order to understand that letters are simply "stand-ins" for numbers and that arithmetic is carried out exactly as it is with numbers. Students explore operations in terms of verbal expressions and determine that arithmetic properties hold true with expressions because nothing has changedåÑthey are still doing arithmetic with numbers. Students determine that letters are used to represent specific but unknown numbers and are used to make statements or identities that are true for all numbers or a range of numbers. They understand the relationships of operations and use them to generate equivalent expressions, ultimately extending arithmetic properties from manipulating numbers to manipulating expressions. Students read, write and evaluate expressions in order to develop and evaluate formulas. From there, they move to the study of true and false number sentences, where students conclude that solving an equation is the process of determining the number(s) that, when substituted for the variable, result in a true sentence. They conclude the module using arithmetic properties, identities, bar models, and finally algebra to solve one-step, two-step, and multi-step equations.

Subject:
Mathematics
Number and Operations in Base Ten
Material Type:
Module
Provider:
New York State Education Department
Provider Set:
EngageNY
12/17/2013
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In Grade 8 Module 1, students expand their basic knowledge of positive integer exponents and prove the Laws of Exponents for any integer exponent.åÊ Next, students work with numbers in the form of an integer multiplied by a power of 10 to express how many times as much one is than the other.åÊ This leads into an explanation of scientific notation and continued work performing operations on numbers written in this form.

Subject:
Mathematics
Number and Operations in Base Ten
Material Type:
Module
Provider:
New York State Education Department
Provider Set:
EngageNY
05/14/2013
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Module 4 marks the next exciting step in math for kindergartners, addition and subtraction! They begin to harness their practiced counting abilities, knowledge of the value of numbers, and work with embedded numbers to reason about and solve addition and subtraction expressions and equations. In Topics A and B, decomposition and composition are taught simultaneously using the number bond model so that students begin to understand the relationship between parts and wholes before moving into formal work with addition and subtraction in the rest of the module.

Subject:
Mathematics
Number and Operations in Base Ten
Material Type:
Module
Provider:
New York State Education Department
Provider Set:
EngageNY
11/26/2013
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In this 25-day module of Grade 4, students extend their work with whole numbers.åÊ They begin with large numbers using familiar units (hundreds and thousands) and develop their understanding of millions by building knowledge of the pattern of times ten in the base ten system on the place value chart (4.NBT.1).åÊ They recognize that each sequence of three digits is read as hundreds, tens, and ones followed by the naming of the corresponding base thousand unit (thousand, million, billion).

Subject:
Mathematics
Number and Operations in Base Ten
Material Type:
Module
Provider:
New York State Education Department
Provider Set:
EngageNY