What could be the logic behind the following subtraction done by a child:
Does this shows that the child has not understood the process of subtraction of numbers? Give reasons for your answer. How will you help her to correct her mistake.
The child's subtraction process appears to show a misunderstanding of the standard subtraction algorithm, particularly with regard to borrowing or regrouping. Let's analyze the problem step by step and then discuss how to help the child correct her mistake. ### Analysis of the Child's Work: The subtraction problem is: ``` 45 - 28 ----- ``` The child's answer is: ``` 45 - 28 ----- 23 ``` The correct answer should be: ``` 45 - 28 ----- 17 ``` ### Possible Logic Behind the Child's _________ ______ ________ _____ ___ ______ _________ _______ ______ __________ _____.
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गणित किस प्रकार एक भाषा है, स्पष्ट कीजिए। दो ऐसी अलग-अलग गतिविधियाँ बताइए जिनसे यह आकलन करने में मदद मिल सके कि उसकी भाषा के साथ बच्चों कितनी सहज हो पायी।
Illustrate the use of each of the following in learning the concept of “fraction”.
i) an outdoor activity
ii) newspapers and magazines
मुक्तांत प्रश्न (open-ended) क्या होता है? ऐसे प्रश्नों के दो उदाहरण दीजिए। इनमें से एक उदाहरण एक अंक वाली संख्या के जोड़ से और एक उदाहरण गुणा से संबंधित होना चाहिए।
एक बच्ची द्वारा नीचे की गई घटा के पीछे क्या संभव सोच है?
क्या यह दर्शाता है कि बच्ची संख्याओं की घटा करने की प्रक्रिया नहीं समझ पायी है। अपने उत्तर के कारण बताइए। उसकी गलती को ठीक करने में आप उसकी मदद कैसे करेंगे?
Enlist two situations each from our daily life in which we use
i) Geometry
ii) Integers
iii) Algebra
How would you convince a child that any number multiplied by 0 is 0, using a teaching aid.
Explain why use of concrete material and hands on experiences, in teaching learning of mathematics at primary level are more effective. Illustrate with the help of one example each.