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DEVELOPING AN UNDERSTANDING OF SUBTRACTION : The process of subtraction is the reverse of that of addition. Adding more to a collection to make it bigger is just the reverse of taking away or removing some to make it smaller. Let us look at the kinds of situations in which children would have to recognise that the solution of the problem requires that to subtract. Problems involving subtraction are more complex for children to handle than those involving addition. This is because they have to identify which quantity has to be taken away from which. This is very important because so far they were exposed to addition, where 2 + 3 = 3 + 2. But 9 - 3 is not the same as 3 - 9, that is, subtraction is, not commutative.
A man invest ?13500 partly in shares paying 6% at ?140 and partly in 5% at 125.If he is tolal income is 560, how much has he invested in each?
Ask question #Minimum 100 words acceAccording to the CDC there were 597,689 deaths in the US in 2010 attributed to heart disease. a) Given That the US population in 2010 was clos
Devise data that link a certain relationship OF YOUR CHOOSING between two variables. Write a rationale stating why you chose this particular data and what you are planning to STAT
Al is painting a right cylinder storage tank. In sequence to purchase the correct amount of paint he requires to know the total surface area to be painted. Which formula will he us
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Ask question draw a line parallel to given line xy at a distance of 5cm from it #Minimum 100 words accepted#
expand (2x+7y)^
what is the quotient of 3 and n?
trigonometric ratios of sum and difference of two angles
(x*1)+(x*7) =
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