The nines trick when adding… Ask yourself, what is one less than whatever number is being added to 9. Then, slap a 1 in front of it to get your final answer. In this case, our problem is 9 + 2. What is one less than 2? Now, slap a 1 in front of it and your final answer is… 1 11 11 Let’s try another one!

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The nines trick when adding… Ask yourself, what is one less than whatever number is being added to 9. Then, slap a 1 in front of it to get your final answer. In this case, our problem is 4 + 9. What is one less than 4? Now, slap a 1 in front of it and your final answer is… 3 13 13 Let’s try another one!

PowerPoint Presentation:

The nines trick when adding… Ask yourself, what is one less than whatever number is being added to 9. Then, slap a 1 in front of it to get your final answer. In this case, our problem is 6 + 9. What is one less than 6? Now, slap a 1 in front of it and your final answer is… 5 15 15 Let’s try another one!

PowerPoint Presentation:

The nines trick when adding… Ask yourself, what is one less than whatever number is being added to 9. Then, slap a 1 in front of it to get your final answer. In this case, our problem is 5 + 9. What is one less than 5? Now, slap a 1 in front of it and your final answer is… 4 14 14 Let’s try another one!

PowerPoint Presentation:

The nines trick when adding… Ask yourself, what is one less than whatever number is being added to 9. Then, slap a 1 in front of it to get your final answer. In this case, our problem is 3 + 9. What is one less than 3? Now, slap a 1 in front of it and your final answer is… 2 12 12 Let’s try another one!

PowerPoint Presentation:

The nines trick when adding… Ask yourself, what is one less than whatever number is being added to 9. Then, slap a 1 in front of it to get your final answer. In this case, our problem is 9 + 8. What is one less than 8? Now, slap a 1 in front of it and your final answer is… 7 17 17 Let’s try another one!

PowerPoint Presentation:

The nines trick when adding… Ask yourself, what is one less than whatever number is being added to 9. Then, slap a 1 in front of it to get your final answer. In this case, our problem is 9 + 7. What is one less than 7? Now, slap a 1 in front of it and your final answer is… 6 16 16 Let’s try another one!

PowerPoint Presentation:

The nines trick when adding… Ask yourself, what is one less than whatever number is being added to 9. Then, slap a 1 in front of it to get your final answer. In this case, our problem is 9 + 9. What is one less than 9? Now, slap a 1 in front of it and your final answer is… 8 18 18 Let’s try another one!

PowerPoint Presentation:

See how many cards you can answer in 1 minute! Have your teacher or a partner use a stopwatch to time you… Ready, Set, Click the Mouse to begin on the next slide… GOOD LUCK!

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