Difference between revisions of "How to Add and Subtract One-Digit Numbers"
(For young kids who want to learn how to add and subtract one digit numbers (no negatives!).) |
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Let's say I wanted to add <math>1</math> <math>+</math> <math>5</math>. When you add one to any number, you get the next number. So here is the counting: <math>1</math>, <math>2</math>, <math>3</math>, <math>4</math>, <math>5</math>, and our answer is next, <math>6</math>. So, <math>5</math> <math>+</math> <math>1</math> <math>=</math> <math>6</math> | Let's say I wanted to add <math>1</math> <math>+</math> <math>5</math>. When you add one to any number, you get the next number. So here is the counting: <math>1</math>, <math>2</math>, <math>3</math>, <math>4</math>, <math>5</math>, and our answer is next, <math>6</math>. So, <math>5</math> <math>+</math> <math>1</math> <math>=</math> <math>6</math> | ||
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| + | Another way to do this would be to count on my fingers. I have <math>5</math> fingers on each hand. I hold out one hand, and put <math>1</math> finger up on the other. Then, I count all the fingers, giving me: <math>5</math> <math>+</math> <math>1</math> <math>=</math> <math>6</math>. | ||
Revision as of 15:25, 24 January 2021
Let's say I wanted to add 
. When you add one to any number, you get the next number. So here is the counting: , 
, 
, 
, , and our answer is next, 
. So, 
Another way to do this would be to count on my fingers. I have fingers on each hand. I hold out one hand, and put finger up on the other. Then, I count all the fingers, giving me: .
