Here is a demonstration of how to use a ratio table to divide fractions. It was a screen capture from the smartboard.
Tuesday, February 05, 2008
Monday, February 04, 2008
Tuesday, January 29, 2008
Fraction Word Problems
Here are today's word problems.
1. There are 24 hours in a day and scientists tell us that we should sleep for 3/8 of the day. How much time should we spend sleeping?
2. The National History Museum has collected 125 dinosaurs. George has collected 3/5 of this amount. How many dinosaurs has George collected?
3. Mr Murrin is 160cm tall and his brother Tom is 7/8 as tall as him. How tall is Tom?
4. The weather forecaster says that it is 200 C in London but only 7/10 as hot in New York. How hot is it in New York?
5. Skateboards cost £36 each in my local store. The shopkeeper says if I buy one I can buy another for only 7/9 of the normal price. How much would a second skateboard cost?
6. Billy collected 256 conkers but lost ? of them on his way to school through a hole in his bag. When he arrived at school how many conkers did Billy have left?
7. There are 25 pupils in the class, 3/5 of the pupils support Chelsea and the remainder support Arsenal. How many pupils support Arsenal?
8. The local shop normally sells Mars bars for 40 pence. The shopkeeper says I can buy them for 1/4 less than the normal price. How much can I buy a Mars bar for?
9. Last year, Mr Murrin weighed 60 kg. This year he weighs 2/5 more. How much does Mr Murrin weigh this year?
10. McDonalds sell milkshakes in two sizes. A small milkshake contains 300ml and a large milkshake contains 2/3 more.
(i) How much does a large milkshake contain?
(ii) If Mr Murrin drinks 2/3 of a small milkshake and
Miss Hoyne 1/2 of a large milkshake who drinks
the most?
11. Half a can of paint covers 1/3 of a room. How much paint is needed to cover the whole room?
Fraction word problems
1. There are 24 hours in a day and scientists tell us that we should sleep for 3/8 of the day. How much time should we spend sleeping?
2. The National History Museum has collected 125 dinosaurs. George has collected 3/5 of this amount. How many dinosaurs has George collected?
3. Mr Murrin is 160cm tall and his brother Tom is 7/8 as tall as him. How tall is Tom?
4. The weather forecaster says that it is 200 C in London but only 7/10 as hot in New York. How hot is it in New York?
5. Skateboards cost £36 each in my local store. The shopkeeper says if I buy one I can buy another for only 7/9 of the normal price. How much would a second skateboard cost?
6. Billy collected 256 conkers but lost ? of them on his way to school through a hole in his bag. When he arrived at school how many conkers did Billy have left?
7. There are 25 pupils in the class, 3/5 of the pupils support Chelsea and the remainder support Arsenal. How many pupils support Arsenal?
8. The local shop normally sells Mars bars for 40 pence. The shopkeeper says I can buy them for 1/4 less than the normal price. How much can I buy a Mars bar for?
9. Last year, Mr Murrin weighed 60 kg. This year he weighs 2/5 more. How much does Mr Murrin weigh this year?
10. McDonalds sell milkshakes in two sizes. A small milkshake contains 300ml and a large milkshake contains 2/3 more.
(i) How much does a large milkshake contain?
(ii) If Mr Murrin drinks 2/3 of a small milkshake and
Miss Hoyne 1/2 of a large milkshake who drinks
the most?
11. Half a can of paint covers 1/3 of a room. How much paint is needed to cover the whole room?
Friday, January 18, 2008
Weekend Homework
Weekend homework is as follows:
Harbeck
- Complete your gliffy on adding and subtracting fractions.
- Leave comments behind at the Alatoba07 Voicethreads from January 18th
- Make sure that your investigations are done for Monday.
Harbeck
Wednesday, January 16, 2008
Todays Problem
Here is the problem that we started today in class. You must have it complete by tomorrow.
Please also create an account at Gliffy and create the two flow charts that explain adding and subtracting questions for your electronic portfolio.
Please leave comments behind at your voicethreads and at the voicethreads from Challenger Middle School
Please also create an account at Gliffy and create the two flow charts that explain adding and subtracting questions for your electronic portfolio.
Please leave comments behind at your voicethreads and at the voicethreads from Challenger Middle School
Friday, January 11, 2008
Monday, January 07, 2008
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