Open Middle®
Directions: Using each of the digits 0-6 only once, make two equivalent ratios (also known as a proportion).
Hint
Can multiples help us find equivalent fractions?
Answer
Number of Unique Solutions: 6
1: 4/13 = 20/65
2: 4/20 = 13/65
3: 5/10 = 23/46
4: 5/10 = 32/64
5: 5/23 = 10/46
6: 5/32 = 10/64
Source: AnneMarie Untalan
i picked #6 because 5 times 2 =10 and 32 times 2 =64 and together will get 10/64
I came up with 5/10=23/46
5/23=10/46
how did you put this in the fraction??
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I thing that it’s 5/32 = 10/64
i did 64 times two equals 128
4/13 = 20/65
3/14 = 6/28
5/10=23/46
Also, because that was on the answer sheet, I’ll do 10/5=46/23.
Don’t forget…..
…..Improper fractions!
4/13=20/65
how do you put them in
how
7/13=14/26
5/10 10/20
5/10 = 32/64
5/23 = 10/46
5/32 = 10/64
how do we write them
8/24 = 19/57 is another solution. So is 9/21 = 36/84
4/8 = 8/16 this is equal bc if u do 4 x 2 it’s –
=‘s 8 then 8 x 2 =16.
4/8 = 8/16 this is equal if you do 4 x 2 it’s = 8s then it’s 8×2=16
I did 4/8=8/16 because 4*2=8 and 8*2=16 which makes 8/16.
I did 4/8=8/16 because 4*2=8 and 8*2=16 which gives you 8/16.