Mathematics and the World We Live In  Mathematics Resources

Number and Operations

The student will identify, represent, order, and compare numbers and compute and solve problems.

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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/cgi-bin/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/cgi-bin/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 problem-solving situations.

AAA Math:  http://www.321know.com/g2_11ax1.htm

D

Add and subtract efficiently and accurately with single-digit numbers up to sums of 18.

Math Fact Café:  http://www.mathfactcafe.com/

D

Add and subtract two-digit 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 Sort objects by two or more attributes. AAA Math:  http://www.321know.com/g2_11ax1.htm 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 three-part repeating pattern. AAA Math:  http://www.321know.com/g2_11ax1.htm D Translate a repeating pattern from one format to another (e.g., red-blue-blue to snap-clap-clap). 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 one-operation 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 0-20, 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

The student will identify, describe, and create basic shapes and describe relative positions and directions.

 D Identify, build, draw, and compare two- and three-dimensional geometric figures. AAA Math:  http://www.321know.com/g2_11ax1.htm D Describe characteristics and parts of two- and three-dimensional 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 three-dimensional 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 I Illustrate flips, slides, and turns using concrete objects and pictures.   AAA Math:  http://www.321know.com/g2_11ax1.htm

### 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, half-hour, and quarter-hour. 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, half-inch, 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/modulesK-2/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_01-1q.html BBCi: ReviseWise Maths:  http://www.bbc.co.uk/schools/ks2bitesize/maths/number.shtml I Read, interpret, and construct tables using tally marks. : 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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