Rounding

 

Objectives:

 

        To develop an understanding of the process of rounding numbers

        To practice rounding of numbers

        To become skillful in rounding decimal numbers as needed for the GED or other educational goals

 

Outcomes:

 

        To complete correctly a worksheet on rounding decimal numbers

 

Warm-Up:

 

To create a worksheet on rounding decimal numbers, click here  http://www.mathbuilder.com/cgi-bin/m.cgi?FT=2&F=DECIMAL3.   If you scored less than 27 on the worksheet, you will want to develop your understanding of rounding decimal numbers. 

 

New Instruction:

 

To develop your understanding of rounding of decimal numbers, click here http://www.aaamath.com/B/est.htm.  Click each of the following pages, read the explanation and complete the practice.  Do 20 problems in each practice at 90% correct or better. 

Rounding Numbers:

        Rounding

        Nearest Ten

        Nearest Hundred

        Nearest Thousand

        Nearest Ten Thousand

        Nearest Hundred Thousand

Rounding Decimals to:

  Nearest Hundredth

  Nearest Tenth

Feedback and Review:

1.  To review rounding, click here http://www.kindermagic.com/real_math/rnd_dec.html.  If you need a hint, click on the Example button.  Complete 20 problems with 18 correct.

  

2.  For another activity on rounding decimal numbers, click here http://www.bbc.co.uk/education/mathsfile/shockwave/games/roundoff.html. Click on Start and work the problems until your score is 20.

Transfer of Knowledge or Skills:

1.  To create a worksheet on rounding decimal numbers, click here http://www.mathbuilder.com/cgi-bin/m.cgi?FT=2&F=DECIMAL3.  If you scored less than 27 on the worksheet, go back to the following:

        New Instruction

o       Activity http://www.aaamath.com/B/est.htm or

        Feedback and Review: 

o       Activity 1 http://www.kindermagic.com/real_math/rnd_dec.html

 

o       Activity 2 http://www.bbc.co.uk/education/mathsfile/shockwave/games/roundoff.html

 

2.  When you have successfully completed this activity, go back to the math home page.

 

Click here F to return to Math Homepage.