engageny/eureka math parent workshop, session 2 · engageny/eureka math parent workshop, session 2...
TRANSCRIPT
Outcomes
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• Learn about the implementation process
and collaboration occurring in SUSD with the
engageNY/Eureka Math curriculum
• Explore the skills and conceptual
understandings in the domain of Number
and Operations in Base Ten
• Connect learnings in the domain to middle
school mathematics
• Receive resources to support your child’s
math education at home
Agenda
• engageNY/Eureka math
implementation and collaboration
• Number and Operations in Base Ten,
Grades K-5
• The Number System, Grades 6-8
• Resources
• Closure
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Focus
Shift 1: Focus
Coherence
Shift 2: Coherence
Rigor
Shift 3: Fluency
Shift 4: Deep Understanding
Shift 5: Application
Shift 6: Dual Intensity
Instructional Shifts Combined
Coherence: Think Across Grades
K 1 2 3 4 5 6 7 8 HS
Counting &
Cardinality
Number and Operations in Base TenRatios and Proportional
RelationshipsNumber &
QuantityNumber and Operations –
FractionsThe Number System
Operations and Algebraic Thinking
Expressions and Equations Algebra
Functions Functions
Geometry Geometry
Measurement and Data Statistics and ProbabilityStatistics &
Probability
Findwell, Bradford & Foughty, Zachary. “”Preparing to Implement the Common Core State Standards for Mathematics. Indiana Department of Education and Ohio Department of Education. March 30, 2011
Focusing Attention Within
Number and Operations
Briars & Mitchell (2010)
Getting Started with the Common Core State Standards
Operations and Algebraic Thinking
Number and Operations -Base Ten
Number and Operations -
Fractions
Expressions and Equations
The NumberSystem
Algebra
K-5 6-8 MS/HS
8 CCSS First Grade Overview
Shift #2: Coherence: Think Across Grades, and
Link to Major Topics Within Grades
• Carefully connect the learning within and across
grades so that students can build new
understanding on foundations built in previous
years.
• Begin to count on solid conceptual understanding of
core content and build on it. Each standard is not a
new event, but an extension of previous learning.
Activity: Card Sort
• In each envelope there are six
standards from the domain of Number
and Operations in Base Ten
• Work with your fellow parents and
organize the strips into the Progression
of Standards from Kindergarten to
Grade 5
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Activity: Card Sort
Answers
• Compose and decompose numbers
11-19 into 10 ones and some further
ones… (KNBT.1)
• Given a two-digit number, mentally
find 10 more or 10 less than the
number, without having to count;
explain the reasoning used. (1.NBT.5)
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Activity: Card Sort
Answers
• Mentally add 1- or 100 to a given
number 100-900, and mentally
subtract 10 or 100 from a given
number 100-900. (2.NBT.8)
• Use place value understanding to
round whole numbers to the nearest
10 or 100. (3.NBT.1)
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Activity: Card Sort
Answers
• Use place value understanding to
round multi-digit whole numbers to any
place. (4.NBT.3)
• Use place value understanding to
round decimals to any place. (5.NBT.4)
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NBT in Kindergarten
• Special attention to 10
• Use of objects, drawings an equations
to describe and explain “teen
numbers”
• Initially, 16 looks like “one six” not “1
ten and 6 ones” (hide zero cards)
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NBT in Kindergarten
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By working with teen numbers in this way in Kindergarten, students gain a foundation for viewing 10 ones as a new unit called a ten in Grade 1.
NBT in Grade 1
• Numbers 11-19 are composed of 1 ten
and some ones
• They view the decade numbers in
spoken and written form.
• The digit in the tens place is more
important for determining the size of
the two-digit number (comparing two
digit numbers)
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NBT in Grade 1
• Adding tens and ones separately is a
general method that can extend to
any sum
• Compute differences to two-digit
numbers of multiples of 10 (ex. 70 – 40
can be viewed as 7 tens minus 4 tens
and represented with models or
drawings.
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NBT in Grade 1
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In grade 2, students will compute the difference of any two- digit numbers (not just multiples of ten) with and without decomposing.
NBT in Grade 2
• Students extend their base-ten
understanding to hundreds.
• They add and subtract within 1000 with
decomposing and composing.
• They become fluent with + and – within
100.
• Use of manipulatives, drawings, hide
zero card (three digit)
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NBT in Grade 2
• Saying numbers aloud in terms of their
base ten units. (e.g., 456 is “Four
hundreds five tens six ones”)
• Students begin to work towards
multiplication by skip counting by 5s,
by 10s, by 100s.
• Comparing magnitudes of three-digit
numbers
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NBT in Grade 2
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Grade 2 students mentally add or subtract 10 or 100 to a given number between 100 and 900. They then work to achieve fluency in adding and subtracting within 1000 in Grade 3.
Sample Student Work: Grade 2
• Let’s look at some sample exit tickets
from second graders using the
subtraction algorithm and decomposing/unbundling using a
place value chart!
• Grade 2, Module 5, Lesson 16
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NBT in Grade 3
• The major focus is multiplication
• Maintenance of addition and
subtraction within 1000
• Round numbers to the nearest 10 or
100
• Multiply one-digit whole numbers by
multiples of 10 using strategies based
on place value and properties of
operations.
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NBT in Grade 3
• Develop understanding of fractions,
equivalence and comparisons
• Express whole numbers as fractions (ex.
3 = 3/1
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NBT in Grade 4
• Read numbers from 1,000 to 1,000,000
• Fractions with denominators of 10 and
100 and decimals to the hundredths
place
• Add and subtract fractions
• Fluent with standard addition and
subtraction algorithms
• Compute product up to four digits
(1x3) and (2x2)
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NBT in Grade 4
• Extend understanding of how to
compute products of one-digit
numbers to multiples of 100. (ex. 6 x
700 as 6 x 7 and shift two places to the
left- 6 groups pf 700 = 4200
• Further explore the relationship
between multiplication and division
• Multiply a fraction by a whole number
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NBT in Grade 5
• Extend understanding of decimals to
the thousandth place
• Add, subtract, multiply and divide
decimals to the hundredths place
• Fluent in multiplication and division
algorithms
• Introduction of whole number
exponents
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NBT in Grade 5
• Students use the same place value
system to add and subtract decimals
• Multiplication of a fraction by a whole
number or fractions
• Divide unit fractions by a whole
number
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NBT in Grade 5
• Rounding decimals to a given place
value using a vertical number line
• Grade 5, Module 1, Lesson 7 Exit Ticket
https://youtu.be/HClHJyoCeMY
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The Number System- Grades 6-8
• Students build on concepts developed
in K-5:
– Representation of whole numbers and
fractions on the number line
– Understanding of the properties of
operations
• Students are ready to build new
understandings with fractions and
negative numbers (integers).
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Number Lines
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• The number line is first explicitly
addressed in 2nd grade. References
occur throughout middle school and in
HS Statistics and Probability.
• The number line constitutes a unifying
and coherent representation for the
different sets of numbers which other
models cannot do.
Properties of Operations
• Building understanding of
multiplication and division of rational
numbers relies on a firm understanding
of the properties of operations.
• Students have not been taught the
formal names of the properties but
have used them repeatedly in
elementary grades.
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Grade 6
• Students conclude work with
operations of fractions begun in Grade
4 by computing quotients of fractions.
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Grade 6
• Students consolidate the work of
earlier grades with whole numbers and
decimals and become fluent in the
four operations.
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Grade Knowledge
3 Whole numbers are fractions (ex. 2/1 = 2 wholes)
4 Decimal notation is a way of writing fractions with denominatorsequal to the power of 10 (ex. .10 is equal to 1/10)
6 Whole numbers, decimals and fractions are not wholly different types of numbers but are part of the same number system.
Grade 6
• Use of prime factorization, least
common multiple and greatest
common factor are introduced
formally.
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Grade 7 and Grade 8
• Students extend their understanding of
operations with fractions to operations
with rational numbers.
• Students know there are numbers that
are not rational and approximate
them by rational numbers. (ex. 1/3 is a
repeating decimal—0.333333 or 0.3
and (pi) does not have a repeating
decimal and therefore is irrational.
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5 Powerful Questions to Ask
#1. What do you think?
#2. Why do you think that?
#3. How do you know this?
#4. Can you tell me more?
#5. What questions do you still have?
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Questions to Clarify Understanding of
Explanation
• Do you understand your solution?
• Can you explain what you’re thinking?
From Whole Class Mathematics Discussions, Lamberg, Pearson 2012S
PHASE 2: ANALYZING SOLUTIONS
Questions to promote analysis and reflection of
solutions:
– What do you see that is the same about
these solutions?
– What do you see that is different about
these solutions?
– How does this relate to ___?
– Ask students to think about how these
strategies relate to the mathematical
concept being discussed
From Whole Class Mathematics Discussions, Lamberg, Pearson 2012S
PHASE 3: DEVELOPING NEW MATHEMATICAL INSIGHTS
(ABSTRACT MATHEMATICAL CONCEPTS)
Questions to Promote Mathematical Insights
•Ask students to summarize key idea.
•Ask questions: Will the rule work all the time? (Making generalizations)
•Ask students to solve a related problem that extends the insights they had gained from the discussion.
•Ask “What if” questions.
From Whole Class Mathematics Discussions, Lamberg, Pearson 2012S
Tips
• Emphasize skill, understanding and
application of math
• Talk through the math
• Value process along with final results
• Making mistakes is a part of doing
authentic mathematics
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Recognize math in everyday life• How many more days?
• Reinforce multiplication and division by
helping your student plan for a major
purchase
• Cooking has endless possibilities to work with
fractions
• Shopping: Which discount or deal is better?
• Discuss the financial side of planning for
college
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Thank you for your time and participation!
Sheila Walters
Math Coordinator
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