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E1) I have a three-year-old friend. He has a lot of toy cars to play with. Playing with him once, I divided the cars into two sets. One set was more spread out and had 14 cars in it. The other set had 15 cars, but they were placed more closely. He had the choice of taking the set with more cars. He made the correct choice. From this, which of the following statements would you deduce? What are the reasons for your choice?
a) He can count upto 20.
b) He can perceptually distinguish between large sets.
c) He just made the choice by chance, and may not be able to repeat it.
d) He may be able to do a lot of things with cars, but not with other objects.
As a child gets older, she moves from an intuitive understanding of number to a level higher than that of recognising numbers by mere perception. A good way of enabling the older among the pre-operational children to make connections, see relationships, and thereby, increase their mathematical understanding, is to involve them in games played with a small number of objects in which they have to 'add' and 'take away' objects.
If r per annum is the rate at which the principal A is compounded annually, then at the end of k years, the money due is Q = A (1 + r) k Suppose
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how to make a tape diagram and a equivalent ratio
Q. There are 10 students on the school debating team. How many different ways can the team choose a president and a secretary? Ans. There are 10 choices for the president
Which of the partially ordered sets in figures (i), (ii) and (iii) are lattices? Justify your answer. Ans: suppose (L, ≤) be a poset. If each subset {x, y} consisting
The owner of TMH Hospital wants to open a new facility in a certain area. He usually builds 25-, 50-, or 100-bed facilities, depending on whether anticipated demand is low, medium
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