Using models to solve algebra problems - Singapore Math

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This video explains how to solve complex problems using models and using algebra. Both methods of solving this problem is shown in this video. This video demonstrates the following:
a. logic behind solving such problems - showing details visually so the logic is easy to remember.
b. using models to solve the problem and
c. using algebra to solve the problem.

Jane bought 1/3 as many almond cookies as chocolate cookies. She gave each of her friends 3 almond cookies and 4 chocolate cookies, after which she had 3 almond cookies and 24 chocolate cookies left.
a. How many friends received cookies from Jane?
b. How many chocolate cookies did Jane buy?
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Hi, thnaks for the video. by the chance dou would have a list of exercice separete for grade?

maninisiemel
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this is amazing could you please help me out on this question please 40% of people left the party before it ended. 10% of those who left were men.
The ratio of the number of men who left to those who did not was 2 : 5.
If there were 105 men at the party when it started, how many women were at the
party when it started?
any help would much be appreciated thank you

wareeshafatma
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Sir could me teach basic s sir I am from India

satyamprinter