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20+30+40+50+60+70+80 = 350
Or (2+3+4+5+6+7+8)×10 = 350
I'm not quite sure what 'pattern' means?

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7y ago
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Q: How can you use a pattern to add 20 30 40 50 60 70 80?
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Related questions

What is the pattern in 10 20 30 40?

Add by 10 each time.


What is 10 add 10 add 20 add 20 add 20?

10 + 10 + 20 + 20 +20 = 80.


What is 5x6?

Its 30 duhh.. go use a calculator instead govna


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The correct answer is: 1000+40+1000+30+1000+20+1000+10 = 4100


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Add the following numbers in your head Start with 1000 add 40 add 1000 add 30 add 1000 add 20 add 1000 add 10?

This is a Trick question, if you look hard enough. The answer of your question is 4100. When you calculate it in your head, or use a calculator, You get 4100. Look closely. The answer is not 5000. There are 4 1000's. However, 30 + 20 + 40 + 10 ≠ 1000. Your answer is 4100.


What can you add to 20 but multiply to get 150?

170


You have 1000 add 40 add 1000 add 30 again 1000 add 20 add again 1000 and finally 10 What is the true mathematical answer to this?

1000 + 1000 + 1000 + 1000 + 40 + 30 + 20 + 10 = 4100


What is 30 times 20?

When multiplying with zeros you just remove the zeros and multiply the other digits then add the amount of zeros you removed to the answer. 30 x 20 = 3x2 =6 then add two decimal to the right with zeros. 600 30 x 20 = 600


What is two numbers that add up to 20 and make 30 when multiplied together?

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Can you times divide add or subtract to get 50 to 30?

Any of them. To get 50 to 30 you could... subtract 20 add -20 divide by 5/3 multiply by 3/5


If you divide twenty by half and add 30 what do you get?

The answer is: 20/2 plus 30 = 40