Doubles Facts

The video tutorial introduces the concept of double facts in math, using the analogy of a double rainbow. It explains how double facts involve adding two identical numbers, such as 4 + 4. The tutorial provides examples using paper airplanes to demonstrate the concept. It then introduces the double plus one strategy, which helps add numbers that are adjacent on a number line. This strategy is explained with examples, such as adding 5 + 6 by using the double fact of 5 + 5 and then adding one. The video concludes with a review of the concepts and encourages practice.

What is the result of 7 + 8 using the double s plus one strategy?

If you have 9 pet fish and get 8 more, how would you calculate the total using double s facts?

Summarize what you learned about double s facts and the double s plus one strategy.