I now write down ALL THE THINGS THAT I NOTICE ABOUT THIS PATTERN. I think it would be better to write it down without the brackets bit, although we do have to do both operations before we write the result down and it would be helpful to write it all out in columns going down:. So let's get started, you will need to do 5 things for this work:Ī) You need to choose a STARTING NUMBER (In my example suppose it's 7)ī) You need to decide which OPERATION to do first (In my example suppose it's multiplication )Ĭ) You need to decide what NUMBER to use with the operation you chose in b (In my example suppose it's 3 )ĭ) You need to decide on your next OPERATION (I chose to use multiplication before so it's got to be addition or subtraction, suppose it's subtraction)Į) You need to decide what NUMBER to use with the operation you chose in d. BUT you can have the multiplication last if you like. RULE 1 You will use multiplication with either adding or subtraction. I therefore suggest that we make a rule about the two operations that we will use for this exploration. then you might as well just be taking away 5 each time. OR suppose you decided to add 6 and subtract 11 each time. then you might as well just be adding 3 each time. Suppose you decided that you would add 5 and subtract 2 each time. Because dividing sometimes can leave bits left over, let's ignore that one for the time being.Īdding put together with subtracting results in something that we could have got just by adding or subtracting. You can probably multiply, add, subtract and divide. But this time we will use two maths operations to produce each new number in the pattern. Well, let's form some patterns of our own. What could be the reason for the series of dots appearing after each one? Work out the rules that produced each of the patterns. Reading and writing large numbers in words in billion, million, thousand and hundred: (i) 4,451,638,534 - Four billion four hundred fifty-one million six hundred thirty-eight thousand five hundred thirty-four (ii) 4,230,453,872 - Four billion two hundred thirty million four hundred fifty-three thousand eight hundred seventy-two (iii) 51,462,648,572 - Fifty-one billion four hundred sixty-two million six hundred forty-eight thousand five hundred seventy-two (iv) 42,230,453,896 - Forty-two billion two hundred thirty million four hundred fifty-three thousand eight hundred ninety-six (v) 82,213,456,897 - Eighty-two billion two hundred thirteen million four hundred fifty-six thousand eight hundred ninety-seven (vi) 641,496,632,823 - Six hundred forty-one billion four hundred ninety-six million six hundred thirty-two thousand eight hundred twenty-three (vii) 981,482,637,874 - Nine hundred eighty-one billion four hundred eighty-two million six hundred thirty-seven thousand eight hundred seventy-four (vii) 956,491,638,852 - Nine hundred fifty-six billion four hundred ninety-one million six hundred thirty-eight thousand eight hundred fifty-two.You've probably come across number patterns before ones like :. (i) 6,254,745- Six million two hundred fifty-four thousand seven hundred forty-five (ii) 31,286,271 - Thirty-one million two hundred eighty-six thousand two hundred seventy-one (iii) 731,256,835 - Seven hundred thirty-one million two hundred fifty-six thousand eight hundred thirty-five (iv) 651,356,851 - Six hundred fifty-one million three hundred fifty-six thousand eight hundred fifty-one Reading and writing large numbers in words in million, thousand and hundreds: Reading and writing large numbers in words in thousand and hundred: (i) 3,019 - Three thousand nineteen (ii) 5,059 - Five thousand fifty-nine (iii) 8,782 - Eight thousand seven hundred eighty-two (iv) 41,018 - Forty-one thousand eighteen (v) 52, 739 - Fifty– two thousand seven hundred thirty-nine (vi) 621,011 - Six hundred twenty-one thousand eleven (vii) 530,008 - Five hundred thirty thousand eight (viii) 765,941 - Seven hundred sixty-five thousand nine hundred forty-one So, while reading or writing a large number we need to start from the left side with the largest group and move to the right side.
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