Post on 27-Mar-2015
convert feetto inches
2 feet =
24 inches
40 inches24 inches
simplify
÷ 8 53
32 min.36 min
÷ 4 = 8
9or 8: 9
$51.00
Wednesday
-$8.00
$51.00-$8.00 = $43. 00
Some possibilities
shaded to total
shaded to unshaded
unshaded to total
3 shaded5 unshaded8 total
some possibilities
shaded to totalunshaded to total
shaded to un shaded
7 shaded5 unshaded12 total
$2.42
8.4 = . 2857...
unit price $. 29 perounce
3.95
15=.
26
2.20
5= . 44
6.20
20= .
31
3.20
10= . 32
344 miles11 hours
=31.27
62.6 gallons10 months
= 6.26 =6.3
5,349 words
1 hour = 60 minutes
5,34960 =89.15
round 89.2
convert hours to seconds
4 times 60 =
240 times 60
=14400
255 times 1000 = meters
255000
14400
= 17.708... =
18
seconds
notice that the mixture requires twice
as much water as weed Killer.
half of 3 is 1. 5
games wongames played
34 = 60
X
180 =4 ×
4 4 X =45
177Earth
Space Station 34 =
2,036
x
177 ×
=177 17
7
X =69,224
391
8=
x+3
2 4
32 = 2 (X+3)
32 = 2 x+6-6 -6
26 = 2 ×2 2
× = 13
distributive property
two-step equation
one-step equation
zigzag
q=q
NOT
yes
18=12
no12=1
2yes6=6yes
zigzag
9
12
3
4
36 36=
x
2 =8q
9X =16
99
1.777...
= 1.78
model
real village
10 feet long
7 miles long
=7 feet wide
X
1OX = 49
10 10x =4.9
30
1275
x=
30x =900
X =30zigzag
one-step equation
compare corresponding sides
compare corresponding sides
use two proportions
124
y
6= and
124
21x
=
72 =4 y 12 ×=84y=18 X=7
-then zigzag- then solve one-step equations
set up a proportion to solve
70
50
X
201400=50 ×X=28
zigzag
only answer with center A
dashed is bigger therefore an enlargement
count 2 times 3 makes 6
set up ratio
scale factor <1
5cm
20cmreduce
÷ 5 1cm4cm
2
6
enlargement
means
scale factor > 1
2 times 3=6
X x
Draw a picture to help solve !
Building
Shadow
PoleShadow
100 m
4m
8m
x
Set up a proportion comparing corresponding sides
X 4
100
8
zigzag
8 x=400
X=50 m
draw a picture to help solve !
70inX
47in 33in
set up a proportion and compare correspondingsides
70
X
47
33
zigzag
2,310
=47 ×
X =49
×
compare corresponding sides in a proportion
AD = 12+15 =
27
X4
2712
zigzag
12 ×=108
X=9
X
set up a proportion to compare corresponding sides
x
54412=
zigzag
12 × =
220 X=18.33
compare corresponding sides