1 Explain how Polyas problemsolving techniques can be used i
1. Explain how Polya’s problem-solving techniques can be used in solving non-routine word problems.
2. Identify some at least three (3) math tools and indicate how they can be used in problem-solving. State specified problems of your own choice.
Solution
Polya\'s method of problem solving:
1. understand the problem
2. make a plan
3. carryout the plan
4. check your work.
Ex-1: salya has a party.she invited 20 women and 15 men. she made 1 dozen red cup icecreams and 3 dozen blue cup icecreams. at the end of party 5 icecreams reamins then how many are used?
Ans:
step1: 1 : Here 20 women and 15 men
1 dozen redcup ice creams 3 dozen blue cup ice creams
Step2: (1 dozen redcup ice creams) +(3 dozen blue cup)-5
Step3: (1 X12 redcup ice creams)+(3 X12 blue cup)-5
12+36-5
48-5
43 are used.
Step4: recheck.
Ex2: muni has 20 blue markers and 15 red markers and 12 green markers and 6 pencils. she made made a painting by markers only no pencils then how many markers are used ?
Ans:
step1: 1 : Here 20 blue,15 red and 12 green markers and 6 pencils.
Step2: she made painting only with markers.
Step3: 20+15+12-6
47-6
41 are used.
Step4: recheck.
Ex:3 somu watched tv 6 hours, prem watched tv 3 hours ken watched 5 hours anji watched 9 hours(all are absorved in a day of holiday)then how many total hours they are used tv in a holiday?
Ans:
step1: 1 : watching tv in a holiday
Step2: somu watched tv 6 hours, prem watched tv 3 hours ken watched 5 hours anji watched 9 hours
Step3: somu hours+ prem hours + ken hours+ anji hours
6+3+5+9=23 hours totla they watched.
Step4: recheck.
