math class

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1. name the property

a+0=0+a=a
2. a+b=b+a
communitive
3. (a+b)+c=a+(b+c)
assosiative property
4. write 4,205,012 in expanded form
four million , two hundred five thousand , twelve
5. word to recognise subraction
decrease, diffrence, less than, subtract
6. what is peremeter (p)
the distance around the outside of a figure. add the lenth of all sides.
7. name the places
a x b = c
^ ^ ^
1 2 3
• 1,2 factors
• 3, product
8. solve for ending in zero
4x10=40
4x100=400
4x1000=4000
9. multiply

150 x 1290 =
193,500
10. multiply

306 x 728=
222,768
11. name the places
a / b = c
^ ^ ^
1 2 3
• 1 dividend
• 2 divisor(chopper)
• 3 quotient
12. 4 -/- 38384 =
9596
13. how do u check division
multiply the anwser buy the divider
14. 24x336x70=
23520
15. 102x86=
8772
16. area of a rectangle . what is the formula
area = length x width
17. what is the area of a rectangle with the width of 15m and a length of 24 meters
360 meters squared
18. define a fraction
a part of a whole number
19. what is a proper fraction
a fraction less that 1 ex(2/5)
20. what is a improper fraction
more or equal to 1
21. whats a mixed number
a whole part and a praction part
22. multiply this fraction

3/4 x 6/7 =
9/14
23. multiply this fraction
2/3 x 9 =
6
24. what is the 3 word trick to dividing fractions
keep change flip
25. divide this fraction
3/4 DIVIDED BY 2/7 =
26. to add or subract fractions with the same denominator add and/subtract the numerator and keep the demomiator unchanged.
a/b + c/b = a+c /b
27. writing decimals in words
4,3018
four and three thousand eighteen ten thousandths
28. write the decimal in words

.018
eighteen thousandths
29. write this sentence in decimal form

"one hundred thirty four thousandths"
.134
30. convert this fraction into a decimal

79/100 =
.79
31. convert this decimal to a fraction

.281
281/1000
• 1)line up the place values( dec-pts)
• 3)put the dec pt where it was in the problem
33. find the product
0.76
x0.31
-------
• 76
• 228
• --------
• 2356.<--move 4 places to the left
• = .2356

Card Set Information

 Author: fakhro176 ID: 63914 Filename: math class Updated: 2011-02-03 19:54:40 Tags: chapter Folders: Description: study things Show Answers:

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