Solve the following number puzzle:
Step 1: Take a number from 1 to 9
Step 2: Multiply the number by 3
Step 3: Subtract 6 from the result obtained in step 2
Step 4: Divide the result obtained in step 3 by 3.
Step 5: Subtract the result obtained in step 4 from the number taken in the step 1. What is the number chosen?
Is the answer same if we take any other number from 1 to 9? Justify.
Step 1:
Let. I take numbers =5
Step
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Developing an understanding of “variable” is crucial for developing an
understanding of “algebra”. Write three major hurdles children face while learning the concept of variable. Suggest a game that can be given to a group of children which helps them to overcome any one difficulty.
Explain the 5 levels of development in geometric understanding proposed by Van Hieles.
Illustrate you explanation in the context of learning the concept of “size”.
Solve the following number puzzle:
Step 1: Take a number from 1 to 9
Step 2: Multiply the number by 3
Step 3: Subtract 6 from the result obtained in step 2
Step 4: Divide the result obtained in step 3 by 3.
Step 5: Subtract the result obtained in step 4 from the number taken in the step 1. What is the number chosen?
Is the answer same if we take any other number from 1 to 9? Justify.
Manisha always performs the division algorithm as follows:
In which step of the Division algorithm has she made the error? What are the possible reasons for committing the error. How do you help her to apply the algorithm in the correct way.
Manisha always performs the division algorithm as follows:
In which step of the Division algorithm has she made the error? What are the possible reasons for committing the error. How do you help her to apply the algorithm in the correct way.
Write one word problem each for comparison model and complementary addition model for subtraction and explain the difference in the two models.
When the activity given in Example 4 of Unit 6 of Block 2 was tried with few children it was found that it helped them to add two digit numbers.
Here we want you to try this activity on a sample of minimum 5 children around you and assess whether the activity is effective in helping these children add two digit numbers. Write a report of about 750 words regarding the conduct of the activity which should include the following:
i) Details of children worked with, their academic and social background.
ii) The pre-requisite knowledge required for acquiring the concept and how did you assess whether the children had this knowledge.
iii) Your observations on how the children perform the different parts of the activity
including the quality of peer interaction.
iv) The devices used for assessing/testing the effectiveness of the activity.
v) Analysis of the work done in (iv) above.
vi) The conclusion based on the points above.