Showing posts with label Fractions. Show all posts
Showing posts with label Fractions. Show all posts

Wednesday, 17 September 2014

MATHEMATICS: USING THE MODEL METHOD TO SOLVE P6 FRACTIONS WORD PROBLEM

THE QUESTION

Weiting and Yili had $71 altogether. Yili and Felya had $105 altogether. Weiting had 3/5 of the money that Felya had. How much money did Yili have?


THE SOLUTION

$20. If you're not sure how the answer is derived, check out the video below.






Tuesday, 16 September 2014

MATHEMATICS: USING THE MODEL METHOD TO SOLVE P6 FRACTIONS WORD PROBLEM


THE QUESTION

Sally, Halim and Jack share $240. Sally receives 1/3 as much money as Jack. After Halim gave $20 of his money to Sally, Sally has 1/2 has much money as Jack. How much money does Halim have at first?


THE SOLUTION

$80. If you don't understand why the answer is $80, check out the video below.






Monday, 15 September 2014

MATHEMATICS: USING THE MODEL METHOD TO SOLVE P6 FRACTION WORD PROBLEM


WORD PROBLEM

Megan had some money. She bought a necklace for $250 and spent 1/4 of the remaining money on a ring. She still had 1/3 of her money left. How much money did Megan spend on the ring?


SOLUTION

$50. If you're not sure how to derive the solution, you can check out the video posted below.






Saturday, 13 September 2014

MATHEMATICS: USING LOGIC TO SOLVE P6 FRACTIONS WORD PROBLEM


The question:

A and B are two different numbers selected from 1 to 100 inclusive.
What is the largest value that (A+B)/(A-B) can have?


Solution:






Wednesday, 10 September 2014

MATHEMATICS: USING THE MODEL METHOD TO SOLVE P6 WORD PROBLEM


The word problem today:

A container of sand weighed 5kg when it was 1/2 full, and weighed 4kg when it was 1/3 full. What was the weight of the container when it was full?


Solution: