**Second Grade**

**Strands:** Number and Operations, Measurement, Geometry, Data Analysis and Probability, Algebra

**COMPETENCY GOAL 1:**The learner will read, write, model and compute with whole numbers through 999.

**Objectives**

**1.01** Develop number sense for whole numbers through 999

- Connect model, number word, and number using a variety of representations.

http://www.crickweb.co.uk/assets/resources/flash.php?&file=Toolkit%20index2a

http://www.arcytech.org/java/b10blocks/b10blocks.html - Read and write numbers.

http://www.crickweb.co.uk/assets/resources/flash.php?&file=Toolkit%20index2a - Compare and order.

http://pbskids.org/cyberchase/games/numbersense/index.html

http://www.mathsonline.co.uk/nonmembers/gamesroom/awards/awardc.html

http://www.crickweb.co.uk/assets/resources/flash.php?&file=ncmenu - Rename
- Estimate
- Use a variety of models to build understanding of place value (ones, tens, hundreds).

http://nlvm.usu.edu/en/nav/frames_asid_152_g_2_t_1.html

http://enlvm.usu.edu/ma/nav/activity.jsp?sid=__shared&cid=emready@place_value&lid=4

http://www.learningbox.com/Base10/BaseTen.html

http://www.mathsonline.co.uk/nonmembers/gamesroom/grids/blobkid.html

http://nlvm.usu.edu/en/nav/frames_asid_152_g_1_t_1.html?from=category_g_1_t_1.html

http://www.ictgames.com/arrowcards.html

**1.02** Use area or region models and set models of fractions to explore part-whole relationships in contexts.

- Represent fractions (halves, thirds, fourths) concretely and symbolically.

http://www.bbc.co.uk/skillswise/numbers/fractiondecimalpercentage/fractions/simplifyingfractions/flash2.shtml - Compare fractions (halves, thirds, fourths) using models.

http://www.bbc.co.uk/skillswise/numbers/fractiondecimalpercentage/fractions/simplifyingfractions/flash2.shtml

http://www.ngfl-cymru.org.uk/vtc/ngfl/ngfl-flash/fractions/fractions.html

http://www.mathplayground.com/Scale_Fractions.html - Make different representations of the same fraction
- Combine fractions to describe parts of a whole

**1.03** Create, model, and solve problems that involve addition, subtraction, equal grouping, and division into halves, thirds, and fourths (record in fraction form).

**1.04** Develop fluency with multi-digit addition and subtraction through 999 using multiple strategies.

- Strategies for adding and subtracting numbers.
- Estimation of sums and differences in appropriate situations.

http://pbskids.org/cyberchase/games/ballparkestimation/ballparkestimation.html

http://www.oswego.org/ocsd-web/games/SpeedGrid/Addition/urikaadd2res.html - Relationships between operations

**1.05** Create and solve problems using strategies such as modeling, composing and decomposing quantities, using doubles, and making tens and hundreds

**1.06** Define and recognize odd and even numbers.

http://www.oswego.org/ocsd-web/games/Ghostblasterseven/ghosteven.html

http://www.crickweb.co.uk/assets/resources/flash.php?&file=npmenu

**COMPETENCY GOAL 2:**The learner will recognize and use standard units of metric and customary measurement.

**Objectives**

**2.01** 2.01 Estimate and measure using appropriate units.

- Length (meters, centimeters, feet, inches, yards).

http://www.pbs.org/parents/earlymath/grades_games_timetomove.html - Temperature (Fahrenheit)

**2.02** Tell time at the five-minute intervals.

http://www.oswego.org/ocsd-web/games/ClassClock/clockres.html

http://www.ictgames.com/hickory4.html

http://www.oswego.org/ocsd-web/games/BangOnTime/clockwordres.html

http://www.poissonrouge.com/clock/index.htm

** **

**COMPETENCY GOAL 3:**The learner will perform simple transformations.

** **

**Objectives**

**3.01** Combine simple figures to create a given shape.

http://www.counton.org/games/tangram/

**3.02** Describe the change in attributes as two- and three-dimensional figures are cut and rearranged.

http://www.teacherled.com/resources/symreflectflip/reflectsymload.html

**3.03** Identify and make:

- Symmetric figures.

http://www.innovationslearning.co.uk/subjects/maths/activities/year3/symmetry/shape_game.asp - Congruent figures.

http://nlvm.usu.edu/en/nav/frames_asid_165_g_1_t_3.html

**COMPETENCY GOAL 4:**The learner will understand and use data and simple probability concepts.

**Objectives**

**4.01** Collect, organize, describe and display data using Venn diagrams (three sets) and pictographs where symbols represent multiple units (2’s, 5’s, and 10’s).

http://www.bbc.co.uk/schools/ks2bitesize/maths/activities/interpretingdata.shtml

http://www.crickweb.co.uk/assets/resources/flash.php?&file=Toolkit%20index2a

http://www.teacherled.com/resources/vennmultiples/vennmultipleload.html

**4.02** Conduct simple probability experiments; describe the results and make predictions.

**COMPETENCY GOAL 5:**The learner will recognize and represent patterns and simple mathematical relationships.

**Objectives**

**5.01** Identify, describe, translate, and extend repeating and growing patterns.

http://www.crickweb.co.uk/assets/resources/flash.php?&file=Toolkit%20index2a

http://www.amblesideprimary.com/ambleweb/mentalmaths/countersquare.html

http://www.kented.org.uk/ngfl/games/beads.html

**5.02** Write addition and subtraction number sentences to represent a problem; use symbols to represent unknown quantities.

http://www.crickweb.co.uk/assets/resources/flash.php?&file=nbKS2