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How can adding doubles help you to multiply by 2 example?
By counting by 2s
How do you use a shortcut to multiply tens by tens?
You add two zeros at the end of the answer 80*90=7200
What does deci-as in decimal mean?
It refers to ten. The decimal system is based on counting in tens.
Who invented counting in tens?
Pre-historic humanoids who discovered that they had 10 digits on their hands.
How many tens are there in a hundred ninety two thousand?
simple. just multiply 192,000 by 10=1,920,000 tens
How can adding doubles help you to multiply by 2 example?
By counting by 2s
What is the common mulitiplys of 5 and 2?
10,20,30,40,50,60,70 (keep counting by tens)
What do you do to change tens into hundreds?
You multiply by 10.
How would you explain the word decimal to little kids?
It refers to counting in units and tens, multiples of tens (such as hundreds, thousands and so on), and fractions of tens (such as tenths, hundredths and so on).
How many tens in ten million?
Oh, dude, there are like a million tens in ten million. I mean, it's right there in the name, ten million, so that's like a whole bunch of tens. If you're looking for an exact number, it's like 1,000,000 tens in ten million. But who's counting, right?
How do you use a shortcut to multiply tens by tens?
You add two zeros at the end of the answer 80*90=7200
What does deci-as in decimal mean?
It refers to ten. The decimal system is based on counting in tens.
Who invented counting in tens?
Pre-historic humanoids who discovered that they had 10 digits on their hands.
How many tens are there in a hundred ninety two thousand?
simple. just multiply 192,000 by 10=1,920,000 tens
How do you find multiples of 13 and 17?
Multiply them together, then multiply that total by successive counting numbers.
How do you spell 27 in welsh?
dauddeg saith (decimal system, i.e. counting by tens)orsaith ar hugain (vigesimal system, i.e. counting by twenties)
What does deci mean in decimal?
Deci means ten. Our numeral system is based on the counting of tens.
