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lara31 [8.8K]
3 years ago
10

Does anybody want to talk?

Mathematics
2 answers:
Umnica [9.8K]3 years ago
5 0

Answer:

Sure

Step-by-step explanation:

7nadin3 [17]3 years ago
4 0

Answer:sure!

Step-by-step explanation:

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Krulik, Stephen; Rudnick, Jesse A.

Problem Solving: A Handbook for Elementary School

Teachers.

ISBN-0-205-11132-7

88

249p.; Drawings may not reproduce well.

Allyn & Bacon/Logwood Division, 160 Gould Street,

Needham Heights, MA 02194-2310 ($35.95, 20% off 10 or

more).

Guides - Classroom Use - Guides (For Teachers) (052)

MF01 Plus Postage. PC Not Available from EDRS.

*Cognitive Development; Curriculum Development;

Decision Making; Elementary Education; *Elementary

School Mathematics; Expert Systems; *Heuristics;

Instructional Materials; Learning Activities;

Learning Strategies; Logical Thinking; Mathematical

Applications; Mathematics Materials; Mathematics

Skills; *Problem Sets; *Problem Solving

This book combines suggestions for the teaching of

problem solving with activities and carefully discussed non-routine

problems which students should find interesting as they gain valuable

experience in problem solving. The over 300 activities and problems

have been gleaned from a variety of sources and have been classroom

tested by practicing teachers. Topics included are an explanation of

problem solving and heuristics, the pedagogy of problem solving,

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7 0
3 years ago
o get from his house to the lecture hall at school, Lin walked west 651 feet. After class, he walked northeast 910 feet to the g
iris [78.8K]

Answer:

Lin walked southwest, creating an obtuse triangle.

Step-by-step explanation:

The triangle has sides of lengths 651 ft, 615 ft, and 910 ft.

If this were a right triangle, then the Pythagorean theorem would have to work. If tis were a right triangle, the the two shorter sides would be the legs forming the right angle.

a^2 + b^2 = c^2

615^2 + 651^2 = 378225 + 432801 = 802026

sqrt(802026) = 896

Since the calculation of the length of the hypotenuse for a right angle is 896 ft, but the actual third side is 910 feet, then this is not a right triangle. In addition, in order to accommodate a longer third side, you'd have to open up the angle a bit making it an obtuse angle. This is an obtuse triangle.

Answer: Lin walked southwest, creating an obtuse triangle.

4 0
4 years ago
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