wrightSponge

Friday 19: An integer is not a decimal or a fraction, and a whole number is a positive number between zero and infinit.

Monday 22: pg. 83  65. 4.78d+ 0d= 4.78d         66. -21p- 76pcarrot2- 9 + p= -20p- 76p2 = -96p2- 9= 87p2

67. 3.3t2 + 8.7t- 9.4t2+ 5t 13.7t + 12.7t2= 26.4t2             68. 1.5m- 4.2m- 12.5v+ 4.2m= 9.9m- 12.5v= -2Pr

Tuesday: No class

Wednesday: pg. 85  1-3, 5-10

1.( -1/3) + (2/9)= .11 wrong -1/9                     2. -3+(-17)= -20 correct                      3. [-5] + (-5) + 5= 5  correct

5. 2a x (-3b) 8x15= 120   correct           6. -b-a 5-4=1  correct             7. 2a^2 could not finish           8. could not finish t=temperature= 8 degrees F

9. could not finish  8x-12        10. could not finish 49t

Thursday: Pg. 91 1-4         1. not equivalent (wrong) equivalent         2. not equivalent correct      3. not equivalent correct        4. not equivalent correct

Friday:      The commutative property is when you can add two numbers either way and it will answer the same. Ex 1+2=2+1 The associative property is when you add and mulitply something and you can have the same answer. (wrong) Monday= No sponge Tuesday= No class

Wednesday:Pg. 116 (15-18)

15. 14k^2-(-2k^2)= 16k^2 correct           16. 4xy+ 9xy= 13xy correct             17. 6t+2-4t= 10t+2 (wrong) 2t+2       18. 9x-4+3x= 11x- 4 (wrong) 12x-4

1. 15/7+-3/6= -12/13  (wrong)  90/42+-21/42= 69/42= 27/42

Thursday: Pg. 119 1-9 1. x-5=14 14+5= 19 x= 19 addition                2.x+3.8=9 9-3.8=5.2  x=5.2 subtraction       3. -7+x=7   7--7=14 x= 14 subtraction

4. x-13=20 13+20= 33 x= 33 addition       5. x/4=8 8x4= 32 x=32 multiplication          6. 9=3x 9/3=3   x=3  division

7. 10x=2  2/10=.2   x=.2 1/5 must be fraction multiplication       8. 2/3x=-6  -6/2/3x=-1/ wrong =-9division      9. x+2 3/4= 6 1/2= 3.75 =3/4

x=3.75 subtraction

Friday: pg. 122 (40- 43)

40. 8+c/-4=-6   -6-8= -14x-4= 56    c=56        41.7-3k= -14 -14+7=-7/3=-2.333   k= -2.333           42. 2p-6=14 14+6= 20/ 2= 10 p=10

43. -y/2+14=-1 -1+14= 13x2=26   y= 26

Monday: pg. 134 5-8, and pg. 129 # 29

5. 4x+3= -5       -5-3= -8/4= -2   correct       6. -x+7=12  12-7= 5 x= 5     wrong   7. 2t- 8t+ 1= 43  t= -7   correct     8. 0=-7n+4-5n n=2 wrong

pg. 129       29. 1/5+3w/15= 4/5 = .133333 wrong use the distributive property