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 QUESTIONS

What 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 RUBRIC

Proficient3

The student completed the

problem by writing 2 correct double

factsThe 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

Devel

opin

g

Profi

cien

t

Distin

guish

ed0

4

8

12

16

Pre and Post Assessment Data

Pre-Assessment

Post-Assessment

Level of Performance

Nu

mb

er

of

Stu

den

ts

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!