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Subscribe to Homeschool Math Newsletter - filled with math teaching information February 2010 newsletter
Latest from my blog This is where you'll find the latest happenings, news, & ideas in math teaching Math teaching videos My videos at YouTube show you how to teach concepts.
Divide decimals - why do we move the decimal point?
Hover your mouse above to open a menu of various worksheets you can generate for free! Advice, reviews, and resources to help you choose a math curriculum! Games you can play online, interactive tutorials, fun math websites and more. Arranged by topic/level for ease of use. Learn how to TEACH concepts or about general concerns in math education. Reviews In-depth reviews of math products Math help & tutoring A list of free message boards, math help websites, and online tutoring services. My Amazon Store See some math products I recommend. I have two games on my site, plus links to many. |
The ideas in this place value lesson are taken from the Place Value 3 ebook that I sell at MathMammoth.com. Only a few examples of each problem type are shown; you should make more problems of each kind for the student. Which number is greater?
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Which is more, 8011 or 7987? Place those numbers (approximately) on the number line.
Which is more, 2395 or 2402? Place those numbers (approximately) on the number line. Compare first how many THOUSANDS the numbers have. |
Remember, the open end or open mouth of the symbols < and > ALWAYS point to the bigger number.
1. Write either < or > in between the numbers.
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[a] 1050 < 5095 2400 2750 6005 4500 5771 1737 |
[b] 220 1020 8060 6999 1007 1705 4605 4409 |
[c] 1307 1032 4906 6029 5766 8565 5077 5570 |
3. Write the numbers in order.
2513, 5230, 9489, 5068, 5096, 5606, 5060, 2466, 2506, 2516
_____ < _____ < _____ < _____ < _____ < _____ < _____ < _____ < _____ < _____
4. Compare the expressions and write <, >, or =.
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a. 700 + 50 |
700 + 30 + 4 |
f. 3000 + 60 + 5 |
365 | |||
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b. 7000 + 4 |
700 + 7 |
g. 600 + 7000 + 2 |
200 + 6000 + 40 + 7 |
5. Write the numbers immediately after and before the given number.
| a. ____, 6049, ____ | b. ____, 7385, ____ | c. ____, 2300, ____ |
Next lesson: rounding to nearest hundred or thousand
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Copyright 2003-2010 Maria Miller
http://www.homeschoolmath.net/
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