## Using Numberlines in Guided Math Groups

Number lines are a great visual tool.  There are many different types of numberlines that can provide a scaffold into deeper understanding. You want to use numberlines so that students have visual models and understanding of the relationships between numbers (see http://thinkmath.edc.org/index.php/Number_Line ).  Numberlines provide visual scaffolds so students can picture what they are doing.  Numberlines can be used to teach counting, skip counting, even and odd numbers, rounding, positive and negative integers, fractions, decimals and time.  Here are a some links to a few good resources by category.

Counting

***(colorful, primary numberlines) http://www.sparklebox.co.uk/md/counting/lines.html

Skip Counting

Even/Odd

http://www.helpingwithmath.com/printables/others/lin0301number48.htm

http://illuminations.nctm.org/LessonDetail.aspx?ID=L53

Subtraction

Multiplication

http://illuminations.nctm.org/LessonDetail.aspx?ID=L588

Problem Solving

Rounding

http://www.superteacherworksheets.com/rounding/rounding-nearest-ten-d.pdf

http://www.superteacherworksheets.com/rounding/rounding-nearest-ten-e.pdf

http://www.superteacherworksheets.com/rounding/rounding-nearest-hundred-d.pdf

Integers

http://www.helpingwithmath.com/printables/others/lin0301number44.htm

http://www.helpingwithmath.com/printables/others/lin0301number52.htm

Fractions

http://www.helpingwithmath.com/printables/others/lin0301fraction01.htm

(with negative values) http://www.helpingwithmath.com/printables/others/lin0301fraction02.htm

http://www.mathsisfun.com/numbers/fraction-number-line.html

http://www.green-planet-solar-energy.com/help-with-fractions.html

http://www.math-salamanders.com/fraction-number-line.html

Decimals

http://www.studyzone.org/mtestprep/math8/e/decline6l.cfm

Elapsed Time

(intervals of 5 minutes) http://www.helpingwithmath.com/printables/others/lin0301number26.htm

(google: “wow how time flies” for a page to uen which has a pdf of an elapsed timeruler)

http://alex.state.al.us/lesson_view.php?id=26567 (scroll to bottom for word document of ruler)

General Resources

http://www.hbschool.com/activity/numberline1_5_04/

http://www.helpingwithmath.com/resources/oth_number_lines.htm

http://www.helpingwithmath.com/resources/oth_number_lines02.htm

http://donnayoung.org/math/number-line.htm

http://www.teachervision.fen.com/tv/printables/0134356500_M1MUTM26.pdf

(article about fraction numberlines) http://www.merga.net.au/documents/RP412008.pdf and http://www.cehd.umn.edu/rationalnumberproject/88_3.html and http://www.merga.net.au/documents/RP552007.pdf

Have fun! Write me and let me know how it’s going.

Happy Mathing,

Dr. Nicki

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