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What do we understand by "being able to count"? Think about the following situation before you answer.
Example 1: Three year-old Mini could recite numbers from I to 20 in the correct sequence. Once, her grandmother asked .her to get twelve buttons from the heap of buttons lying in the drawer. Mini 'counted' till 12 as she picked up the buttons and handed them over. Her grandmother counted the buttons.
There were seven in all. She asked Mini to check whether she had really given Slier 12 buttons. Mini 'counted' again and said, "No, they are fifteen." Do you think Mini knows how to count? (Remember, she can recite number names in correct sequence from 1 to 20.)
Why do you think Mini could not pick up twelve buttons correctly?
Having reflected on these questions, try out the following activity with a four-year-old child in your family or neighbourhood.
1. For a function f : Z → Z, let R be the relation on Z given by xRy iff f(x) = f(y). (a) Prove that R is an equivalence relation on Z. (b) If for every x ? Z, the equivalenc
A bricklayer estimates that he requires 6.5 bricks per square foot. He needs to lay a patio that will be 110 square feet. How many bricks will he required? Multiply 6.5 by 110;
table of 12
without a calculator give the exact value of each of the following logarithms. (a) (b) log1000 (c) log 16 16 (d) log 23 1 (e) Solution (b) log10
write an equation for a functionthat gives the value in ech table .
can i known the all equations under this lesson with explanations n examples. please..
An educator placed 10 pebbles in a row and asked four-year-old Jaswant to count how many there were. She asked him to touch the pebbles .while counting them. Jaswant counted the pe
Reduction -when the original amount and the balance or remainder are known, to find the part that has been given away. (e.g., there were 15 toffees in a container, and there are
?[1,99] x^5+2x^4+x^3+5x^2+6x+2÷x^2+2x
the cost of paint used in a redecorating job is $65.70 .This is a reduction from its original cost of $82.13 .What is the percent decrease in the cost of paint to the nearest perce
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