What is the strategy for solving 9 plus 8?

Anonymous

∙ 15y ago

Updated: 8/18/2019

Most people memorize the addition of all the single-digit numerals.

Or, you can count on your fingers and toes.

Or, you can add half of 8 to 9 (4), getting 13, then add the other half of 8 to 13, getting 17.

Wiki User

∙ 15y ago

What else can I help you with?

What is 11plus 11plus 11plus 10plus 9 plus 9 plus 9 plus 8plus 8plus8plus8 plus 8 plus 8plus7 plus 2?

11 + 11 + 11 + 10 + 9 + 9 + 9 + 8 + 8 + 8 + 8 + 8 + 8 + 7 + 2 = 127

What is the strategy you use to find 2 plus 8?

To find 2 plus 8, I use the strategy of counting up from the first number. Starting at 2, I count up by adding 8: 3, 4, 5, 6, 7, 8, 9, 10. Alternatively, I can simply recall that 2 plus 8 equals 10 from basic addition knowledge. Thus, the answer is 10.

What is 4 plus 9 plus 1 plus 8 plus 9 plus 8 plus 5 plus 6 plus 8 plus 6 plus 8 plus 3 plus 5 plus 9 equals?

Is 9 plus 8 plus 1 equals 9 plus 1 plus 8 true or false?

True. 9 + 8 + 1= 18 and 9 + 1 + 8 =18.

What is 9 plus 6 plus 9 plus 6 plus 9 plus 8 plus 5 plus 2 plus 9 plus 8 plus 7 plus 6 plus 5 plus 4 plus 3 plus 2 plus 1?

9 + 6 + 9 + 6 + 9 + 8 + 5 + 2 + 9 + 8 + 7 + 6 + 5 + 4 + 3 + 2 + 1 = 99

9 plus 8 plus 1 equals 9 plus 1 plus 8?

true

What property is 10 plus 9 plus 8 equals 10 plus 9 plus 8?

Tautology?

What is 9 plus -15 plus 8?

9 + -15 + 8 = 2

What is 9 plus 4 plus 7 plus 8?

9 + 4 + 7 + 8 = 28

Is (5 plus 9) plus 8(9 plus 5) plus 8 commutative property?

If there is an equals sign after the first 8, the answer is yes.

What is 9 plus 0 plus 8 plus 9 plus 9 plus 8 plus 7 plus 7 plus 9 plus 2 plus 45 plus 44444444444444444444444444444444444444?

It's a magnificent example of pure nonsense.

What does 6 plus 9 plus 8 equal?

6 + 9 + 8 = 23

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