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This, as counting, 10 20 30 40 50 60 70 80 90 100, is the same as 10x1 10x2 10x3 10x4 10x5 10x6 10x7 10x8 10x9 10x10. It helps you know all the numbers multiplied and divided by 10.
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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
How many tens are there in a hundred ninety two thousand?
simple. just multiply 192,000 by 10=1,920,000 tens
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 can patterns help me divide multiples of 10?
by counting by tens
How can adding doubles help you to multiply by 2 example?
By counting by 2s
What do you do to change tens into hundreds?
You multiply by 10.
What is the common mulitiplys of 5 and 2?
10,20,30,40,50,60,70 (keep counting by tens)
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 do you use a shortcut to multiply tens by tens?
You add two zeros at the end of the answer 80*90=7200
How many tens are there in a hundred ninety two thousand?
simple. just multiply 192,000 by 10=1,920,000 tens
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 do you find multiples of 13 and 17?
Multiply them together, then multiply that total by successive counting numbers.
Double your tens digit to get your ones digits?
That means multiply it by 2. If your tens digit is 3, your ones digit is 6.
How do you determine the multiples of a fraction?
Multiply it by successive counting numbers.
