Mathematics Resources
Number and Operations
The student will identify, represent, order,
and compare numbers and compute and solve problems.
Key

Reporting
Category


D 

Count a set of
objects to 100 by 2’s, 3’s, 5’s, or 10’s.
AAA Math:
http://www.321know.com/g2_11ax1.htm 
D 

Count forward and
backward by one from any number less than 999.
AAA Math:
http://www.321know.com/g2_11ax1.htm 
D 

Read and write
numerals to 999.
Fun Brain:
(Game)
http://www.funbrain.com/cgibin/ofm.cgi?A1=s&A3=1&A2=0
Number Nut:
http://www.numbernut.com/standards_2.html 
D 

Identify the
place value of a digit in numbers to 999.
Fun Brain:
(Game) http://www.funbrain.com/cgibin/ofm.cgi?A1=s&A3=1&A2=0 
D 

Identify odd and
even numbers to 100.
AAA Math:
http://www.321know.com/g2_11ax1.htm 
I 

Use concrete
models or pictures to show whether a fraction is less than 1/2, more
than 1/2, or equal to 1/2.
AAA Math:
http://www.321know.com/g2_11ax1.htm 
D 

Match the spoken
or written word names and concrete or pictorial representations
(parts of regions or parts of sets of objects) of halves, thirds,
and fourths.
Vector Kids:
Fraction Fun: http://www.vectorkids.com/vkfractions.htm 
I 

Compare the unit
fractions 1/2, 1/3, and 1/4.
AAA Math:
http://www.321know.com/g2_11ax1.htm
Vector Kids:
Fraction Fun:
http://www.vectorkids.com/vkfractions.htm
Number Nut:
http://www.numbernut.com/standards.html 
D 

Determine the
value of a collection of coins up to $1.00.
Vector Kids:
Count Coins:
http://www.vectorkids.com/vkcoincount_content.html
Number Nut:
http://www.numbernut.com/standards_2.html 
D 

Order and
sequence whole numbers less than 1000.
AAA Math:
http://www.321know.com/g2_11ax1.htm 
D 

Compare two
numbers using the appropriate symbol (i.e., <, >, and =).
AAA Math:
http://www.321know.com/g2_11ax1.htm 
D 

Represent numbers
to 999 in flexible ways using a variety of materials (e.g., 23 as 23
ones, 1 ten and 13 ones, and/or 2 tens and 3 ones).
AAA Math:
http://www.321know.com/g2_11ax1.htm 
D 

Use and match
numerals to ordinal numbers through twentieth.
AAA Math:
http://www.321know.com/g2_11ax1.htm 
D 

Develop a story
problem that illustrates a given addition or subtraction number
sentence.
AAA Math:
http://www.321know.com/g2_11ax1.htm 
I 

Use the number
line to demonstrate addition and subtraction.
AAA Math:
http://www.321know.com/g2_11ax1.htm 
I 

Write and
identify number sentences that describe situations involving
addition and subtraction.
AAA Math:
http://www.321know.com/g2_11ax1.htm 
I 

Write and explain
related addition and subtraction sentences.
AAA Math:
http://www.321know.com/g2_11ax1.htm 
D 

Solve story
problems involving numbers to 100.
Number Nut:
http://www.numbernut.com/standards_2.html 
D 

Check for the
reasonableness of solutions.
PBS Kids: You’ve
Got to be Kidding!: http://pbskids.org/arthur/games/yougottobekidding/index.html 
D 

Use calculators
in problemsolving situations.
AAA Math:
http://www.321know.com/g2_11ax1.htm 
D 

Add and subtract
efficiently and accurately with singledigit numbers up to sums of
18.
Math Fact Café:
http://www.mathfactcafe.com/ 
D 

Add and subtract
twodigit whole numbers using a variety of strategies and
representations.
AAA Math:
http://www.321know.com/g2_11ax1.htm 
D 

Explain and
justify solution strategies used in problem solving.
BBCi: ReviseWise
Maths: http://www.bbc.co.uk/schools/ks2bitesize/maths/number.shtml 
D 

Use estimation to
justify whether the answer to a computation is reasonable.
AAA Math:
http://www.321know.com/g2_11ax1.htm 
ALGEBRA
The
student will sort and classify objects; create, extend, and describe
patterns; and represent number sentences with words, objects, and pictures.



D 

Identify the
rules by which objects or numbers have been sorted.
AAA Math:
http://www.321know.com/g2_11ax1.htm 
D 

Extend a growing
pattern, involving objects, shapes, or numbers.
PBS Parents:
http://www.pbs.org/parents/earlymath/grades_activities.html 
D 

Identify the unit
of a threepart repeating pattern.
AAA Math:
http://www.321know.com/g2_11ax1.htm 
D 

Translate a
repeating pattern from one format to another (e.g., redblueblue to
snapclapclap).
BBCi:
ReviseWise Maths: http://www.bbc.co.uk/schools/ks2bitesize/maths/number.shtml 
I 

Determine the
output number for a particular input number given a oneoperation
rule involving addition or subtraction.
BBCi:
ReviseWise Maths: http://www.bbc.co.uk/schools/ks2bitesize/maths/number.shtml 
D 

Interpret and
solve open sentences that involve addition or subtraction.
BBCi:
ReviseWise Maths: http://www.bbc.co.uk/schools/ks2bitesize/maths/number.shtml 
D 

Communicate and
use mathematical terms and symbols appropriately.
AAA Math:
http://www.321know.com/g2_11ax1.htm 
D 

Show or represent
number sentences, involving addition and subtraction and numbers
020, with concrete objects.
BBCi:
ReviseWise Maths: http://www.bbc.co.uk/schools/ks2bitesize/maths/number.shtml 
D 

Demonstrate
knowledge of and use the commutative property of addition.
AAA Math:
http://www.321know.com/g2_11ax1.htm 
I 

Show that
subtraction is not commutative. 
D 

Apply the
addition and subtraction properties of 0 (adding or subtracting 0
doesn’t change a given number).
BBCi:
ReviseWise Maths: http://www.bbc.co.uk/schools/ks2bitesize/maths/number.shtml 
I 

Describe
qualitative change (e.g., a student growing taller).
AAA Math:
http://www.321know.com/g2_11ax1.htm 
I 

Describe
quantitative change (e.g., a student growing 2 inches in 1 year).
AAA Math:
http://www.321know.com/g2_11ax1.htm 
Geometry
D 

Identify, build,
draw, and compare two and threedimensional geometric figures.
AAA Math:
http://www.321know.com/g2_11ax1.htm 
D 

Describe
characteristics and parts of two and threedimensional geometric
figures.
AAA Math:
http://www.321know.com/g2_11ax1.htm 
I 

Identify shapes
that have line symmetry.
Symmetry Game:
http://www.pbs.org/parents/earlymath/prek_games_sandcastle_fla.html

D 

Investigate and
predict the results of combining and taking apart two and
threedimensional geometric figures.
PBS: Building
Sandcastles:
http://www.pbs.org/parents/earlymath/prek_games_sandcastle_fla.html 
M 

Identify the
position of a whole number on the number line.
Houghton
Mifflin eManipulatives: http://www.eduplace.com/kids/hmm/manip/mn_2.html 



Measurement
The
student will apply measurement concepts of time, length, weight, capacity,
and temperature.
D 

Compare and order
objects according to length, capacity, and weight.
PBS Parents:
Cyberspace Weigh In: http://www.pbs.org/parents/earlymath/grades_games_pbs.html 
I 

Demonstrate
understanding of the concepts of perimeter and area. 
I 

Identify what can
be measured about objects in the environment.
PBS Kids:
Cyberchase Games: Can You Fill it Up?:
http://pbskids.org/cyberchase/games/liquidvolume/liquidvolume.swf

D 

Identify time to
the hour, halfhour, and quarterhour.
Math Fact
Café:
http://www.mathfactcafe.com/ 
D 

Relate days,
dates, weeks, and months to a calendar.
AAA Math:
http://www.321know.com/g2_11ax1.htm 
D 

Explain the
relationship between inches and feet.
AAA Math:
http://www.321know.com/g2_11ax1.htm 
D 

Measure length to
the nearest centimeter, foot, halfinch, and inch.
AAA Math:
http://www.321know.com/g2_11ax1.htm 
I 

Estimate lengths
and time intervals.
Number Nut:
http://www.numbernut.com/standards_2.html
Just in Time:
http://www.fi.edu/time/Journey/JustInTime/contents.html 
I 

Solve problems
involving elapsed time in hours.
Number Nut:
http://www.numbernut.com/standards_2.html
http://www.fi.edu/time/Journey/JustInTime/contents.html 
I 

Measure and
estimate weight and capacity using a variety of nonstandard units.
AAA Math:
http://www.321know.com/g2_11ax1.htm 
I 

Find area and
perimeter using nonstandard units.
AAA Math:
http://www.321know.com/g2_11ax1.htm 
D 

Read thermometers
with Fahrenheit and Celsius scales.
FOSSWeb: Reading
a Thermometer: http://www.fossweb.com/modulesK2/AirandWeather/activities/whatstheweather.swf 
Data Analysis and Probability
The
student will make simple graphs using concrete objects and pictures and
describe events as likely or unlikely.
I 

Pose questions
and gather data to answer the questions.
Houghton Mifflin
Math: (Games)
http://www.eduplace.com/kids/hmm/bt/2/2_011q.html
BBCi: ReviseWise
Maths: http://www.bbc.co.uk/schools/ks2bitesize/maths/number.shtml 
I 

Read, interpret,
and construct tables using tally marks.
SUMS Online: Tally Ho:
http://www.sums.co.uk/playground/hd3a/playground.htm 
D 

Construct
pictographs and bar graphs.
PBS: Bugs in the
System Bar Graph Game: http://pbskids.org/cyberchase/games/bargraphs/bargraphs.swf 
D 

Interpret and
solve problems with tables, bar graphs, and pictographs.
PBS: Bugs in the
System Bar Graph Game: http://pbskids.org/cyberchase/games/bargraphs/bargraphs.swf

I 

Predict outcomes
of events based on data gathered and displayed.
BBC: Fish Tank
Probability: http://www.bbc.co.uk/education/mathsfile/shockwave/games/fish.html 
M 

Explain whether
an event is likely or unlikely.
BBC: Fish Tank
Probability: http://www.bbc.co.uk/education/mathsfile/shockwave/games/fish.html 

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