jackiefreidesSponge

jackiefreides

9/17/08

a whole number is any positive number from zero to infinity that do not include decimals or fractions

an integer is any whole number and its opposite

9/23/08 pg. 83 (65-68)

65.) 4.78d + 0d= 4.78d

66.) -20p-76p^2-9

67.) 13.7t-6.1t^2

68.) 1.5m-12.5v

9/24/08 pg. 85 (1-3, 5-10)

1.)-1/9 2.)-20 3.)5

5.)120 6.)1 7.)-1.6 8.)13`f 9.)8x-12 10.)49t

9/25/08 pg. 91 (1-4)

1.) yes 2.) no 3.) no 4.) no

9/26/08

The Associative Property is when you can change the arrangement of the numbers and still get the same answer. Ex: 3+(7+4)=7+(4+3) The Commutative Property is when you can flip the problem either way and still get the same answer. Ex. 3+4=4+3

10/3/08 pg. 122 (40-43)

40.) 8 + c/-4 = -6 c=56

41.) 7 - 3k = -14 k=7

42.) 14 = 6 - 2p p=-4

43.) -y/2 + 14 = -1 y=30

10/7/08 pg. 134 (5-8 check skills)

5.) 4x + 3 = -5 x= -2

6.) -x + 7 = 12 x= -5

7.) 2t - 8t + 1 = 43 t=-7

8.) 0 = -7n +4 -5n n=1/3

pg. 129 (29)

29.)1/5 + 3w/15 = 4/5 w=3