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.