Celdrick's BOB for Oct 20/09

For homework today we had to pick one of the pictures I picked the m&m candies



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Part to Part ratio

blue to green 1:6

yellow to red 4:6

yellow to green 4:6


Part to total ratio

green to total 6 : 17

blue to total 1: 17

Three part ratio

red to green to blue 6 : 6 : 1

red to yellow to blue 6 : 4 : 1

The ratio I picked is 1:4
1:4

1/4

0.25

25%



The three questions i picked are

a) What would be the ratio for green to total?
b) What is the ratio of blue to red?
c) What is the ratio of yellow to blue to toal?
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What are the mistakes that I made from the test?

-I didn't read the questions carefully and didn't make it in lowest terms.
-I lost mistakes because I didn't show my work.
-I also lost marks from the multiple choice.

Next time there's a math test I will:

-Study harder
-read the questions carefully
-double check it when done
-use word ratios and complete the answer


Questions:

1) Eric is able to stop 85% of the shots on goal. If he faces 27 shots on goal, how many goals would likely be scored on him?

a) 3 b) 4 c)9 d) 15

2) A picture frame with a width to length ratio of
5:7. If the width of the photo is 9 cm, the length of the photo is

a) 11cm b) 12.6cm c) 14cm d) 16 cm