Properties
LCM & GCF
Ratio
Proportions
Multiplying Fractions
100
3x + 7 (2x + 6)
17x -10
100
Find the LCM of 3, 9, 21
63
100
Find the ratio of the 8 girls and the 9 boys in the class.
8:9 8/9 8 to 9
100
x/100 = 32/40
x= 80
100
1/5 x 55/1
13
200
C - 9 + 9C + 15
17x -10
200
Find the LCM of 12 & 80
80
200
10 to 35
2/7 2 to 7 2:7
200
34/100 = x/150
x= 51
200
1/4 x 108/1
25
300
2 - 3y + 10y -14
7y -12
300
Find the GCF of 14 & 49
7
300
20/15
4/3 4 to 3 4:3
300
what is 20% of 180?
a= 36
300
7/10 x 40/1
4/7
400
3 (2x + 1)
6x + 3
400
Find the GCF of 15 & 75
15
400
-4:12
-1/3 -1 to 3 -1:3
400
56 is 70% of what number?
x= 80
400
3/5 x 8/1
51
500
-3 (x + 4)
-3x -12
500
Find the GCF of 18 & 24
6
500
Find the rate as a unit rate 270cal./30mins
9 calors: 1 mins
500
20/25 = w/130
w= 104
500
-2/5 x (-2/3)
4/15
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