Second Grade Math
Domain: Number and Operations in Base Ten
Cluster: Understand place value.
Common Core Standard: 2.NBT.1 Understand that the three digits of a three-digit number represent amounts of hundreds,
tens, and ones; e.g., 706 equals 7 hundreds, 0 tens, and 6 ones. Understand the following as special cases:
A.
100 can be thought of as a bundle of ten tens – called a “hundred”.
B.
The numbers 100, 200, 300, 400, 500, 600, 700, 800, 900 refer to one, two, three, four, five, six, seven, eight, or nine hundreds (and 0 tens and 0
ones).
Essential
Vocabulary
Task Analysis
Learning Activities/Assessments
Resources
Prior ones
tens groups
bundles
singles
left-overs
Explicit
hundreds
Introductory
•
Understand place value
to 99
•
Demonstrate that a
bundle of 10 ones is 1
ten
•
Model that a bundle of
10 ones makes 1 ten
using a variety of tools
(Unifix cubes, straws,
money, paper clips, base
ten blocks and ten
frames)
•
Demonstrate that a
bundle of 10 tens is the
same as 1 hundred
•
Model that a bundle of
10 tens makes a
hundred using a variety
of tools.
•
Understand place value
to 999
Interactive games –
-
using base 10 blocks to make the given
number
-
click on the penguin and place on the
number chart
-
clicking the weights to match the animals
weight by 1, 10, 100
-
click on the correct pirate who has the
standard form of the expanded form
equation
-
watch the study jams video and take the
quiz when done
-
place value games to practice place value
Activities –
-
matching the number word with the value
(TPT)
-
I have, Who has?
-
Envisions – quiz show
-
Foldable place value snake
Smartboard –
-
assessment tool to help identify place value
(smart exchange)
Text Resources:
Henry the Fourth
Earth Day, Hooray!
Big Numbers
Little Numbers
One Hundred Ways to Get to 100
A Place for
Zero
Math Fables: Lessons that Count
For the Teacher
:
Cognition-Based Assessment & Teaching of Place Value: Building on Students' Reasoning
Interactive:
http://www.learningbox. com/Base10/BaseTen.ht ml
http://www.bbc.co.uk/sc hools/starship/maths/ga mes/place_the_penguin/ big_sound/full.shtml
-
powerpoints for understanding, and
practicing place value
-
place value riddles (smart)
Videos –
-
understanding place value with fun
characters (youtube)
Worksheets –
-
practice with place value based on common
core objectives
http://studyjams.scholastic.com/studyjams/jams/math/ numbers/place-value.htm
http://www.math-play.com/place-value-games.html
http://www.math4children.com/Grade2/games/ Place_value_plank_game/
http://www.bbc.co.uk/bitesize/ks2/maths/number/ place_value_headings/read/1/
Activities
:http://www.teacherspayteachers.com/Product/Number-word-and-number-matching-game-169492
http://eisforexplore.blogspot.com/2012/05/place-value-snake.html
Smartboard:
http://math.pppst.com /placevalues.html
http://exchange.smarttech.com/details.html?id=20b112c4-a46c-4392-9de2-0bb060c3414a
http://exchange.smarttech.com/details.html?id=3186d7ad-afc1-45f8-ad7b-cd16b65a2dcd
Videos:
http://www.youtube.com/watch?v=gmlc_vkuNR4 http://www.youtube.com/watch?v=omkDLmfvetk
Worksheets:
http://www.math-aids.com/Place_Value/
http://commoncoresheets.com/Addition.php
http://commoncoresheets.com/Subtraction.php
http://commoncoresheets.com/Operations.php
http://commoncoresheets.com/Values.php
Second Grade Math
Domain: Number and Operations in Base Ten
Cluster: Understand place value.
Common Core Standard: 2.NBT.2 Count within 1000; skip count by 5s, 10s, and 100s
Essential Vocabulary
Task Analysis
Learning Activities/Assessments
Resources
Prior ones tens
number line hundreds
board
Explicit thousand
skip count
Introductory
multiplication
•
Count to 120 from any given
number
•
Count to 1000 from any number
•
Count forward and back to and
from any given number within
1000
•
Model that when skip counting
by 100 the hundreds digit is the
only digit that changes
and it increases by one number
•
Demonstrate that when skip
counting by 5s the ones digit
alternates between 5 and 0.
•
Count and skip count (by 5s, 10s,
and 100s) within 1000 from any
number
Activities –
- An easy way to demonstrate skip counting with buttons of different colors and the book Bunches of Buttons by Michael Dahl
-
(pinterest) different activities using
skip counting
-
I have, Who has?
-
Envisions – quiz show
-
Bean sticks – create and count the
sticks by 100s, 10s, and 1s
-
Skip counting using hundreds chart,
number line, and a song
Interactive activities –
-
Practice skip counting, number lines,
patterns (ixl)
-
Practice skip counting (int4)
-
Pop the balloon using skip counting
Smartboard –
-
Understanding and practice using
skip counting
Videos –
-
Skip counting with pictures by 2, 5,
Text Resources:
How Many Seeds in a
Pumpkin
Leaping Lizards
The Kings Commissioners
Spunky Monkeys on
Parade
Ready or Not, Here I Come
Bunches of Buttons
Activities:
http://theadventuresofbear.blogspot.com/2010/04/skip-counting-by-tens-and-twos.html
http://pinterest.com/smidgie421/teaching-skip-counting/
http://pinterest.com/search/pins/?q=skip%20counting/
http://kindergartencrayons.blogspot.com/2011/06/dont-spill-beans-beginning-place-value.html
http://msneylonsecondclass.blogspot.com/2012/10/skip-counting_4.html
10 (youtube)
http://www.ixl.com/math/grade-2/counting-patterns-up-to-1000http://www.ixl.com/math/grade-2/number-lines-up-to-1000
Interactive:
http://www.ixl.com/m ath/grade - 2
http://www.internet4classrooms.com/skill_builders/ counting_math_second_2nd_grade.htm
http://www.sheppardsoftware.com/mathgames/ earlymath/BalloonPopSkip.htm
Smartboard:
http://exchange.smarttech.com/details.html? id=0d2d9826-7325-4826-bffa-933196db612e
Videos:
http://www.youtube.com/watch?v=GTYxfltyPgg
Second Grade Math
Domain: Number and Operations in Base Ten
Cluster: Understand place value.
Common Core Standard: 2.NBT.3 Read and write numbers to 1000 using base-ten numerals, number names, and expanded
form.
Essential Vocabulary
Task Analysis
Learning Activities/Assessments
Resources
Prior
standard form
Explicit thousand
expanded form
Introductory
•
Read and write numbers to 120
•
Recognize numbers to
1000
•
Model numbers to 1000 using a
variety of tools
•
Write numbers to 1000 in
standard and word form (number
names)
Activities –
-
Different activities for expanded form
(pinterest)
-
Place value pizza chart, each slice has a
different form of place value
-
I have, Who has?
-
Envisions – quiz show
-
Place Value War
-
Use Uno cards or
regular playing cards or dice to flip over
1, 2, 3, etc. cards and figure out which
Text Resources:
How Much, How Many, How Far, How Heavy, How Long, How Tall is 1000?
Sir Cumference and the All the King's Tens
Earth day Hooray
•
Represent numbers to
1000 in expanded form
(125 can be written as
100+20+5)
-
Read and write numbers to
1000 using multiple
representations
number has the largest value. Kids can
work in teams to make it competitive
trying to be the first to have the right
answer
-
Place value cups – using cups to see the
place value of numbers in expanded and
standard form
Smartboard –
-
Powerpoint for understanding and
practicing standard, word, and
expanded form
-
Reinforcement of place value concepts:
expanded form, word form, number
form, and number value. (smart)
Interactive Activities –
-
Step-by-step for expanded form and
a quiz for comprehension
(studyjams)
-
Practice using place value in word
form and word problems
Videos –
-
Quick draw with math cowboy in
expanded form (youtube)
-
Place value practice (youtube)
-
Expanded form understanding /
reinforcing (youtube)
For the Teacher –
-
Videos of how to teach place value
Activities:
http://mrstsfirstgradeclass-jill.blogspot.com/2012/03/ alphabetical-order-cups.html
http://pinterest.com/search/pins/?q=expanded%20form
http://2ndgradeponderings.blogspot.com/2011/10/ place-value-pizzeria.html
Interactive:
http://studyjams.scholastic.com/studyjams/jams/math/ numbers/expanded-notation.htm
http://www.toonuniversity.com/flash.asp? err=496&engine=5
Smartboard:
http://exchange.smarttech.com/details.html? id=d3f093f8-b2a3-4d44-8e2f-1d8306def8e2
http://math.pppst.com/pl acevalues.html
Videos:
http://www.youtube.com/watch?v=GlQqEVcXfTI
http://www.youtube.com/watch?v=rY66h3InlHY
http://www.youtube.com/watch?v=c05UMVWDndw
http://www.youtube.com/watch?v=MH5o8Ur9kdg
For the teacher:
http://www.sharemylesson.com/teaching-resource/ VIDEO-Making-Math-Fun-with-Place-Value-Games-50000561/
Second Grade Math
Domain: Number and Operations in Base Ten
Cluster: Understand place value.
Common Core Standard: 2.NBT.4 Compare two- and three-digit numbers based on meanings of the hundreds, tens, and
ones digits, using >, =, and < symbols to record the results of comparisons.
Essential Vocabulary
Task Analysis
Learning Activities/Assessments
Resources
Prior ones tens
hundreds greater
than less than
equal to digit
compare
Explicit
Introductory
•
Compare two two-digit
numbers using symbols
(>,<,=)
•
Explain that 1 hundred is
actually greater than any
amount of tens and ones
represented by a two-digit
number
•
Compare two three-digit
numbers using symbols
(>,<,=)
Activities –
-
Different comparing numbers
activities and link (pinterest)
-
I have, Who has?
-
Envisions – quiz show
-
Place Value War
-
Use Uno cards or
regular playing cards or dice to flip
over 1, 2, 3, etc. cards and figure out
which number has the largest value.
Kids can work in teams to make it
competitive trying to be the first to
have the right answer
-
Place value cups – using cups to see
the place value of numbers in
expanded and standard form, add in
the comparing symbol cup to
compare
Interactive activities –
-
Ordering numbers (bbc)
-
Step-by-step ordering numbers
(studyjams)
Smartboard –
-
Envisions on comparing numbers
-
Understanding and practice with
comparing numbers
-
59 activities for understanding,
practice, and assessment of
Text Resources:
Just Enough Carrots More or Less
One, Two, Three Sassafras!
Activities:
http://pinterest.com/search/pins/?q=comparing%20numbers
http://www.abcya.com /comparing_number_v alues.htm
http://www.crickweb.c
o.uk/ks2numeracy calculation.html#ncme nu
Interactive:
http://www.bbc.co.uk/bitesize/ks1/maths/number_ordering/ play/
http://studyjams.scholastic.com/studyjams/jams/math/ numbers/order-whole-numbers.htm
Smartboard:
http://exchange.smarttech.com/details.html?id=c9b18fb7-b343-409e-b508-707c0d4a02e3
comparing numbers ($)
Apps –
-
2
ndgrade apple app for comparing
numbers (other strands are on the
app as well)
For the Teacher –
-
Example of how to teacher this
http://exchange.smarttech.com/details.html?id=b67158fc-ee98-4350-804d-87a668f8ebd7
App:
http://studypadinc.com/splash-math-grade-2/number-sense/ compare-numbers/
For the Teacher:
http://www.youtube.com/watch?v=6KgmXPAZswM
Second Grade Math
Domain: Number and Operations in Base Ten
Cluster: Use place value understanding and properties of operations to add and subtract.
Common Core Standard: 2.NBT.5 Fluently add and subtract within 100 using strategies based on place value, properties of
operations, and/or the relationship between addition and subtraction.
Essential Vocabulary
Task Analysis
Learning Activities/Assessments
Resources
Prior
compose
decompose
Explicit
associative
commutative
Introductory
•
Add within 100 including adding a
two-digit number and a one-digit
number and adding a two-digit
number and a multiple of 10.
•
Place Value Strategy breaking
numbers into tens and ones
•
Decomposing into Tens make
“friendly numbers” i.e. 67+25 “I
decided to start with 67 and
break 25 apart. I knew I needed
3 more to get to 70, so I broke off
a 3 from the 25. I then added my
20 from the 22 left and got to 90.
I had 2 left. 90 plus 2 is 92. So,
67+25=92”.
•
Apply the commutative property
of addition
•
Make use of addition when
solving subtraction
problems
Interactive activities –
-
Understanding and practicing +/-
relations through a video and quiz
(studyjams)
-
Using word problems to +/- (ixl)
-
Making ten with brainpopjr
Activities –
-
Use place value chart to +/-
numbers
-
+/- War
-
Use Uno cards or regular
playing cards or dice to flip over 2 sets
of up to 3 cards and +/- the numbers.
Kids can work in teams to make it
competitive trying to be the first to
have the right answer
-
I have, Who has?
-
Envisions – quiz show
-
2-3 Digit +/- Cube Toss
– using ice
cube trays write #s on little sticky
labels & stick them inside the ice
Text Resources:
Animals on Board Elevator Magic A Fair Bear Share Get Up and Go Mall Mania
Interactive:
http://studyjams.scholastic.com/studyjams/jams/math/ addition-subtraction/relate-add-and-sub.htm
http://www.ixl.com/math/grade-2/addition-and-subtraction-word-problems-up-to-100
http://www.brainpopjr.com/math/additionandsubtraction/ makingten/
•
Fluently add and subtract within
100 using a variety of strategies
holes in a random order, & get 2
Base-10 unit cubes (or something like
them). Use a recording sheet to
monitor, you could use an +/-
recording form
-
Terrific ten go fish
Smartboard –
-
Review of concepts with a
basketball theme (smart)
-
Using a snowman theme to add,
checking with a calculator (smart)
-
Adding ten strategy (smart)
-
Properties of addition (smart)
-
Breaking down the subtraction
strategies (smart)
Videos –
-
Reinforcement of subtraction
strategies to +/- (youtube)
-
+/- numbers – simple (youtube)
http://studyjams.scholastic.com/studyjams/jams/math/ addition-subtraction/add-sub-wo-regrp.htm
Activities:
http://www.k 5mathteachingresourc es.com/2nd - grade number - activities.html
http://www.education.com/activity/article/Tens_Fish/
http://pinterest.com/search/pins/?q=3%20digit%20addition
http://missclaire21.blogspot.ca/2012/07/monday-made-it-summer-school-classroom.html
Smartboard:
http://exchange.smarttech.com/details.html?id=98872216-f2f4-4eb6-a8af-3a843e99c0e5
http://exchange.smarttech.com/details.html?id=d2ba3a4a-d85d-4f7e-988f-3078cc78d95f
http://exchange.smarttech.com/details.html?id=87812f02-3e36-42ba-9c19-c294ccff29cb
http://exchange.smarttech.com/details.html?id=638c25fd-fb87-4171-9a3c-34d02993745a
http://exchange.smarttech.com/details.html?id=45ceb363-7d0c-4847-8a44-12c4a7246909
Videos:
http://www.youtube.com/watch?v=TsS4KIQWQSU
http://www.youtube.com/watch?v=x0DE_VDEEAw
http://www.youtube.com/watch?v=Nhp8-Q8xMfo
http://www.youtube.com/watch?v=v9dx2o7m6GI
Domain: Number and Operations in
Base Ten
Cluster: Use place value understanding and properties of operations to add and subtract.
Common Core Standard: 2.NBT.6 Add up to four two-digit numbers using strategies based on place value and properties of
operations.
Essential
Vocabulary
Task Analysis
Learning Activities/Assessments
Resources
Prior
compose
decompose
commutative
Explicit
associative
Introductory
-
Utilize the associative property
of addition
-
Add two two-digit numbers
using place value strategies
and properties of operations
-
Add three two-digit numbers
using place value strategies
and properties of operations
-
Add up to four two-digit
numbers using place value
strategies
Interactive activities:
-
Practice adding multiple digits (ixl)
Activities:
-
Have students work in groups to add up all
the kids in the grade level by class and
show this using manipulatives or drawings
-
Use dice or double dice to roll numbers to
add using a recording sheet
-
Envisions quiz show
-
I have, Who has?
Smartboard:
-
Add using a hundreds chart (smart)
-
Practice adding 2-digit numbers (smart)
Videos:
-
Lesson of addition of 2-digit numbers
without and with carrying (youtube)
-
Adding multiple numbers (youtube)
For the Teacher –
-
Example of lesson
Text Resources:
Sea Sums Mall Mania
Interactive:
http://www.bbc.co.uk/schools/starship/maths/games/ cross_the_swamp/small_sound/standard.shtml
http://www.ixl.com/math/grade-2/add-three-or-more-numbers-two-digits
http://studyjams.scholastic.com/studyjams/jams/math/addition-subtraction/prop-of-addition.htm
Activities:
http://www.k 5mathteachingresourc es.com/2nd - grade number activities.html
Smartboard:
http://exchange.smarttech.com/details.html?id=ba160447-09eb-4404-a58c-c80c61423ce4
http://exchange.smarttech.com/details.html?id=5ec014b7-42ac-44fb-8c3d-3357d686faea
Videos:
http://www.youtube.com/watch?v=LEaFf_qGLvY
http://www.youtube.com/watch?v=P9OVn8Z5xCQ
http://www.youtube.com/watch?v=foZqdQaAoUg
http://www.youtube.com/watch?v=D1dzlTU9r5Q
Second Grade Math
Domain: Number and Operations in Base Ten
Cluster: Use place value understanding and properties of operations to add and subtract.
Common Core Standard: 2.NBT.7 Add and subtract within 1000, using concrete models or drawings and strategies based on
place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a
written method. Understand that in adding or subtracting three-digit numbers, one adds or subtracts hundreds and
hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds.
Essential
Vocabulary
Task Analysis
Learning Activities/Assessments
Resources
Prior
compose
decompose
commutative
number line
Explicit
associative
Introductory
•
Add within 100 using a
variety of strategies.
Relate the strategy to a
written method and
utilizing the basis of place
value where it may be
necessary to compose a
ten.
•
Add within 1000 using a
variety of strategies.
•
Add and subtract
within 1000 using a
variety of strategies,
relate the strategy to a
written method and
utilizing the basis of place
value where it may be
necessary to compose or
decompose tens and
hundreds.
Interactive activities:
-
Learn to compose and decompose
numbers (mathisfun)
-
Batter up baseball (prongo)
Activities:
-
Pennies in a jar (for teacher link)
-
Money Comes, Money Goes (for
teacher link)
-
Envision quiz show
-
I have, who has?
-
Farkle in the classroom center
Smartboard:
-
examples of math problems (adding
digit numbers, subtracting
three-digit numbers, time, money, and
geometry) and shows how students can
self-check their work using QR codes
(smart)
Text Resources:
Sea Sums
One Grain of Rice: A Mathematical Folktale Mall Mania
Alexander, Who Used to be Rich Last Sunday (for money activity)
Interactive:
http://www.mathsisfun.com/numbers/numbers-compose-decompose.html
http://www.prongo.com/math/addition.html
Activities:
https://docs.google.com/document/d/
1psgIBgQodxfzSF8_UmCU1becu8pVWBTaq-uoBI_B6oI/edit?hl=en# (pennies link)
https://docs.google.com/document/d/1etqGmotnfoRdXlQbfAu-7XMZjOGOh26aaIrx1sgJv5I/edit?hl=en# (money comes)
Videos:
-
Reinforcement of 3-digit addition
(youtube)
Smartboard:
http://exchange.smarttech.com/details.html?id=faedb058-547a-4f05-a2e2-fa019c564d7a
http://exchange.smarttech.com/details.html?id=9d9fdde1-cd55-4b21-80db-c90f7b221889
Video:
http://www.youtube.com/watch?v=Wz4QpwBZKOE
For the teacher:
http://www.youtube.com/watch?v=366cj4x4DNI
https://docs.google.com/document/d/
1psgIBgQodxfzSF8_UmCU1becu8pVWBTaq-uoBI_B6oI/edit?hl=en# (pennies link)
https://docs.google.com/document/d/1etqGmotnfoRdXlQbfAu-7XMZjOGOh26aaIrx1sgJv5I/edit?hl=en# (money comes)
Second Grade Math
Domain: Number and Operations in Base Ten
Cluster: Use place value understanding and properties of operations to add and subtract.
Common Core Standard: 2.NBT.8 Mentally add 10 or 100 to a given number 100-900, and mentally subtract 10 or 100 from
a given number 100-900.
Essential Vocabulary
Task Analysis
Learning Activities/Assessments
Resources
Prior ten more
ten less
Explicit
one hundred more one hundred lessIntroductory
•
Mentally add and subtract 10
to a twodigit number
•
Recognize that when adding or
subtracting 10 to a number the
ones digit stays the same and
the tens digit changes
•
Recognize that when adding or
subtracting 100 to a number
Interactive Activities:
-
Motion math: hungry fish
(APP)
-
Scavenger hunt – monster
math
-
Card games
Activities:
-
Number squares, sticks and
Text Resources:
The Very Hungry Caterpillar Night Noises
Interactive:
http://www.k -
the ones and tens digits stay
the same and the hundreds
digit changes
Mentally add and subtract 10 or
100 to a given number 100-900
dots (for the teacher)
-
Using
Night Noises
have
students mentally count the
friends that come to the
surprise party
-
Using
The Very Hungary
Caterpillar
have students
mentally add the food by day
as the story goes along, they
can them create a drawing to
show this process
-
100 more 100 less (for the
teacher)
-
Envisions quiz show
-
I have, Who has?
-
In a nutshell math craft
-
Sand castle addition board
game
-
Addition bingo
-
Off the grid addition
(pinterest)
Smartboard:
-
Snow theme Mental math
center
http://mandys-tips-4-teachers.blogspot.com/2012/10/monsters-monsters-everywhere-freebie_15.html
Activities:
http://pinterest.com/pin/56365432808758532/
http://www.teachersnotebook.com/product/AMBarnard/addition-bingo
http://www.teachersnotebook.com/product/jpink/in-a-nutshell-mental-math-craftivity-and-practice-problems
http://www.education.com/activity/article/getting-even/ http://www.teachersnotebook.com/product/FernSmith/free-january-snow-theme-addition-plus-one-center-game
http://www.teachersnotebook.com/product/Games4Learning/build-a-sandcastle-addition-board-game
For the teacher:
https://sites.google.com/a/bryantschools.org/math-common-core-resource-site/home-1/2nd-grade-home/2-nbt-8
http://www.youtube.com/watch?v=wZmlDfRekpU
Fizz Buzz 101 Spoken Numeracy Games - Ideal Mental Maths
Book
Second Grade Math
Domain: Number and Operations in Base Ten
Cluster: Use place value understanding and properties of operations to add and subtract.
Essential
Vocabulary
Task Analysis
Learning Activities/Assessments
Resources
Prior
Explicit
Introductory
•
Devise appropriate
strategies to solve addition
and subtraction
problems
•
Discuss appropriate
strategies with
peers/teacher to solve
addition and subtraction
problems
•
Construct a viable argument
explaining their reasoning
(written, drawings, or oral)
Use place value and properties
of operations to explain why
addition and subtraction
strategies work while using
drawings or objects to explain
their answers.
Interactive Activities:
-
Math limbo – click on the dice to roll a
number, choose 2 pins to make that number
-
Break apart – choose the addition strategy
you want to work in, click on the correct
number to fill in the box
-
Numskull – choose 3 numbers of different
color to create a set, number fact
Activities:
-
Math problems practice (TPT)
-
Monster math problems (TPT)
-
Domino’s +/- center (TPT)
-
Envisions quiz show
-
I have, Who has?
-
Classroom guide - classroom activities, student-friendly learning targets, and a summary of the standard, 3 journal prompts and assessment questions (TPT)-
Apple picking mathSmartboard:
-
Word problem practice (smart)
Videos:
-
How to work out Word problems with
addition and subtraction (youtube)
Interactive:
http://gregtangmath.com/Games/Limbo
http://gregtangmath.com/Games/BreakApart
http://gregtangmath.com/Games/Numskill
Activities:
http://www.teacherspayteachers.com/Product/ Common-Core-Math-Second-Grade-2nbt7-2nbt8-and-2nbt9-570855
http://www.teacherspayteachers.com/Product/ Common-Core-Math-Second-Grade-2nbt7-2nbt8-and-2nbt9-570855
http://www.teacherspayteachers.com/Product/Double-Digit-Domino-Addition-and-Subtraction-329201
http://www.teacherspayteachers.com/Product/The- Common-Core-Classroom-Guide-to-2NBT9-Explain-addition-sub-strategies-500070
http://www.teacherspayteachers.com/Product/APPLE- PICKING-place-value-addition-math-game-center-Common-Core-aligned-2nd-340345
Smartboard:
http://exchange.smarttech.com/details.html? id=2679b242-331d-4485-b41a-ea7aa3785083
Video:
http://www.youtube.com/watch?v=bvv4o3z97lk