Watch Mental Adding With 2 Digits
- 2007
- 9 min
Uncle Zak asks Sam and Amber to load the spaceship with pairs of boxes that add up to 100 kg. Numberella shows them how using a hundred-square grid can help them add quickly and accurately.
Uncle Zak asks Sam and Amber to load the spaceship with pairs of boxes that add up to 100 kg. Numberella shows them how using a hundred-square grid can help them add quickly and accurately.