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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.
We will begin this chapter by looking at integer exponents. Actually, initially we will suppose that the exponents are +ve as well. We will look at zero & negative exponents in a
In traveling three-fourths of the way around a traffic circle a car travels 0.228 mi. What is the radius of the traffic circle? The radius of the traffic circle is ____ mi.
Equation s(in Tth second)=u+at-a/2 seems to be dimensionally incorrect.why?
how do you do algebra with division
a company''s advertising expenditures average $5,000 per month. Current sales are $29,000 and the saturation sales level is estimated at $42,000. The sales-response constant is $2,
A 3 km pipe starts from point A end at point B Population = 3000 people Q = 300 L/day/person Roughness = cast ion pipe Length of the pipe = 3km Case 1 From A to B
100+5000
create a system of linear equations that has (2,3)as a solution.
Kevin invested $4,000 in an account which earns 6% interest per year and $x in a different account that earns 8% interest per year. How much is invested at 8% if the total amount o
question paper on fractions
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