Revision Sheets ( Model Answers ) 2

Alternative Assessment
Chapter
1- 7+(-5)=7-5=2
Write the subtraction problem as an addition problem by adding the opposite of the second integer
2-The mountain climbers descend 42 ft each hour for 5 hours
3\a- -O-O-O|-O-O|
3\b- |-O-O,OO|-O-O-O
3\c- Both-5-(-2)and -5 +2=-3
4\a- 12w
4\b- 3w\2
4\c- $36 $48 $60 $72 $84 $96
4\d- 9figares
4\e- 10 weeks
Cumulative Review
1-C
2-G
3-A
4-H
5-D
6-G
7-D
8-F
9-C
10-G
11- 18 , 17
Start with 3 alternately multiply by 2 and subtract 1
12-e\12
13-11
14-(6+5)
15-
-- -- --#-- --#--#-- -- -- --#-- --
-5 -4 -3 -2 -1 0 1 2 3 4 5
-3,-1,0,|-2|,|-4|
16-6
17- -16
18- -12
19- A=(-2,-4) B=(3,-2) C=(-4,1)
20- *A numerical expression uses numerals and operation symbols.
*A variable expression uses these and variables
Chapter 2
1-C
2-G
3-
--#-- -- -- --#--#-- --#-- -- -- --
-5 -4 -3 -2 -1 0 1 2 3 4 5
-5,-1,0,2
4-4m
5- 9+4*6=9+24=33
6- 11*4-7*8=44-42=2
7- -6
8- -13
9- 6y-4x+y+x=
10- x=14+9=23
11- b=22-14=8
12- z= -45\-5=9
13- m=14*-7=-98