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ADDING DOUBLES
By Malorie Cummings
MARYVALE PRIMARY SCHOOL
Maryvale Primary Cooperating Teacher: Donna HouseGrade: 2Number of Students: 22General Education Time Frame of lesson: 45 minutes
STUDENT BEHAVIORAL OBJECTIVES
1.1 Students will verbally describe components of a doubles fact with 90%-100% accuracy
1.2 Students will classify doubles facts from non doubles facts on a SMART board activity with 90%-100% accuracy.
1.3 Students will solve for missing double facts on a worksheet provided with 90%-100%
ESSENTIAL QUESTION
How do patterns help us solve problems?
GUIDED QUESTIONSWhat is an addend?
What two numbers will always be the same in a doubles fact?
How is a doubles fact different from other facts?
Where do you see doubles in your everyday life?
ENDURING UNDERSTANDING
A doubles fact is a number sentence with the same addends.
The sun of a doubles face can always be separated into two equal parts
COMMON CORE STANDARDMATHEMATICS
Domain: Operations & Algebraic Thinking (2.OA)
Cluster: Add and Subtract within 20
Standard 2 : Fluently add and subtract with 20 using mental strategies.
(www.nysed.gov pg. 18)
SUPPORTING STANDARDENGLISH LANGUAGE ARTS
CCR Anchor: Foundational Skills – Read with sufficient accuracy and fluency to support comprehension.
Strand: Reading (RF)
Standard 4 a : Read grade level text with purpose and understanding.
(www.nysed.gov pg 25)
PRE-ASSESSMENTTEACHER EXEMPLAR
PRE-ASSESSMENT TEACHER EXEMPLAR
PRE-ASSESSMENT RUBRIC
Number Correct
Score
6 44-5 32-3 20-1 1
Name : Teacher Exemplar
Total : 4 /4
PRE ASSESSMENT: DEVELOPING
DEVELOPING CONTINUED
“Yes it is a fact number because I know”.
DEVELOPING RUBRIC
Number Correct
Score
6 44-5 32-3 20-1 1
Total : 1 / 4
PROFICIENT STUDENT WORK
PROFICIENT CONTINUED
PROFICIENT RUBRIC
Total 3 /4
PRE ASSESSMENT : DISTINGUISHED
DISTINGUISHED CONTINUED:
PRE-ASSESSMENT: DISTINGUISHED
Total: 4 /4
ANTICIPATORY SETItems Used:Egg cartonDomino pieceTwo die (with the same number showing)
Doubles fact songSMART board
MODELING
The teacher rolls the die on the SMART board. The students tell the teacher when a doubles
fact is showing.
The teacher repeats this with the interactive domino on the SMART board.
The teacher thinks out loud when solving a doubles fact in both a horizontal and vertical format.
GUIDED PRACTICE
Envsion Math worksheet
GUIDED PRACTICE
CONTINUED
GUIDED PRACTICE CONTINUE
D
INDEPENDENT PRACTICE
INDEPENDENT PRACTICE CONTINUED
INDEPENDENT PRACTICE CONTINUED
Independent Practice Continued
POST ASSESSMENT: DISTINGUISHED
DISTINGUISHED CONTINUED
DISTINGUISHED RUBRIC
Category Exemplary4
Double Addition facts
The student completed the problem by writing 3 correct doubles fact
Drawing
The student demonstrates the concept of doubles by drawing 6 of the correct
double in the space provided
Missing double and
sum
The student writes 11-10 correct addends and sums to show the missing double
POST ASSESSMENT: PROFICIENT
PROFICIENT CONTINUED
PROFICIENT RUBRICProficient
3The student
completed the problem by writing
2 correct double facts
The student demonstrates the concept of double
by drawing 5 of the correct doubles in
the space provided.The student writes 8-9 correct addends and sums to show the missing double
Category
Double Addition facts
Drawing
Missing double and
sum
STUDENT DATA
Develo
ping
Profic
ient
Disting
uishe
d048
1216
Pre and Post Assessment Data
Pre-Assessment
Post-Assessment
Level of Performance
Num
ber
of S
tude
nts
MODIFICATIONS
Instructional
The teacher uses a sorting activity on the SMART board. The worksheets contain word problems, math sentences, and pictures and fill in the blanks.
Students compare between a doubles fact and a non-doubles fact. Students can apply their skills in various ways/strategies
Students see the difference between a doubles fact and a non doubles fact. Students learn through multiple intelligences.
THANK YOU!!!
Emily S., Emily G., Kino and Lauren,
Thank you for a wonderful LE experience! I thoroughly enjoyed collaborating with you! I learned how to make my assessments stronger and how to my make rubrics easier to understand!