## Wednesday, November 3, 2010

### Camille's Math Blog Post

Today in math class we were assigned questions to post on the blog. I was assigned two questions , # 16 & 17.

#16) Identify a fraction between each of the following pairs of rational numbers.
a) 0.2, 0.3
You find the decimal that goes in between, which is 0.25.
You multiply it by a 100 because there are 2 numbers behind the decimal and to make it a whole number which is 25 over 100. Then you simplify, so divide it by 5 until you can simplify anymore. The answer is 1/4.

b) 0,-0.1
Find the number that goes in between, which is -0.05. You make it into a fraction, so -0.05 over 1. Then you multiply by 100 to get a whole number which is 5 over 100. Then you simplify, divide both bottom and top. The answer is 1 over 20.

c) -0.74, -0.76
Find the number that goes in between which is -0.75. Then you make it into a fraction. -0.75 over 1. You multiply it by 100, because there are 2 numbers after the decimal and also to make it a whole number. Which is -75 over 100. To simplify you divide it by 25, until you cant anymore. The answer is -3 over 4.

d) -0.52, -0.53
You find a number between which is -0.525. Then you turn it into a fraction. -0.525 over 1. You multiply by 1000 because there are 3 numbers after the decimal and to make it a whole number. So it would be 525 over 1000. Then you simplify by the common denominator which is 25. Divide both numerator and denominator by 25. The answer is -21 over 40.

#17)Identify a mixed fraction between each of the following pairs of rational numbers.
a) 1.7, 1.9
Find the number that goes in between which is 1.8. So we are making it into a mixed fraction, The answer would be 1 and 8 tenths because 1 is the whole number and the 8 is in the tenths place.

b)-0.5, 1.5
Find the number that goes in between which is -1. You make 1.2 in a mixed fraction so, 1 and 2 tenths because 1 is the whole number and 2 is in the tenths place. And also simplify, find a number that both go into 2 and 10, which is 2. So you divide it by 2. So the answer is 1 and 1 fifth.

c)-3.3, -3.4
Find the number that goes in between which is -3.35. You turn -3.35 into a mixed number, so it will be -3 and 35 hundredths, because 3 is the whole number and 35 is in the hundredths place.
d)-2.01, -2.03
The number that goes in between is -2.02. You turn -2.02 into a mixed number so it will be -2 and 02 hundredths, because -2 is the whole number and 02 is in the hundredths place.
OH and please remember to comment if i made any mistakes! Don't forget to play tut pup!

#### 1 comment:

1. Hey camille! Good Job! Your scribe post was very detailed and all. I liked how you explained it with pictures and such and how you put the answers in different colours, it stands out much better. Oh and good job reminding everyone to play tutpup everyday! GOOD JOB. :)