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Identifying Proportions
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2/3 = 4/9 a) Are the ratios proportional? b) If YES, what are the cross products?
No
Oops!
Okay!
2/5 = 6/15 a) Are the ratios proportional? b) If YES, what are the cross products?
Yes, 30
Oops!
Okay!
2/6 = 3/9 a) Are the ratios proportional? b) If YES, what are the cross products?
Yes, 18
Oops!
Okay!
7/21 = 4/12 a) Are the ratios proportional? b) If YES, what are the cross products?
Yes, 84
Oops!
Okay!
3/4 = 8/12 a) Are the ratios proportional? b) If YES, what are the cross products?
No
Oops!
Okay!
5/8 = 7/14 a) Are the ratios proportional? b) If YES, what are the cross products?
No
Oops!
Okay!
3/4 = 5/6 a) Are the ratios proportional? b) If YES, what are the cross products?
No
Oops!
Okay!
18/12 = 15/10 a) Are the ratios proportional? b) If YES, what are the cross products?
Yes, 180
Oops!
Okay!
2/3 = 4/6 a) Are the ratios proportional? b) If YES, what are the cross products?
Yes, 12
Oops!
Okay!
6/9 = 8/12 a) Are the ratios proportional? b) If YES, what are the cross products?
Yes, 72
Oops!
Okay!
15/20 = 27/35 a) Are the ratios proportional? b) If YES, what are the cross products?
No
Oops!
Okay!
5/10 = 8/18 a) Are the ratios proportional? b) If YES, what are the cross products?
No
Oops!
Okay!
18/20 = 81/180 a) Are the ratios proportional? b) If YES, what are the cross products?
No
Oops!
Okay!
6/5 = 12/10 a) Are the ratios proportional? b) If YES, what are the cross products?
Yes, 60
Oops!
Okay!
7/8 = 14/24 a) Are the ratios proportional? b) If YES, what are the cross products?
No
Oops!
Okay!
9/12 = 15/20 a) Are the ratios proportional? b) If YES, what are the cross products?
Yes, 180
Oops!
Okay!
4/6 = 6/9 a) Are the ratios proportional? b) If YES, what are the cross products?
Yes, 36
Oops!
Okay!
10/12 = 15/18 a) Are the ratios proportional? b) If YES, what are the cross products?
Yes, 180
Oops!
Okay!
5/9 = 10/18 a) Are the ratios proportional? b) If YES, what are the cross products?
Yes, 90
Oops!
Okay!
8/24 = 10/30 a) Are the ratios proportional? b) If YES, what are the cross products?
Yes, 240
Oops!
Okay!
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