![]() The Ladders mode just presents you with a vertical number line and a goal number. Just about everything you do–gaining coins, feeding Nooms to each other, spending coins–is announced by the narrator’s voice, giving you audio feedback about what’s going on. Coins are then used to unlock further puzzles. Doing so will give you stars that fill in some extra shapes.Įvery time you finish a puzzle, you get coins–the higher the level, the more coins you get. Every so often you’ll be asked to trace the number that was just correctly matched. Sometimes you get clues in the spaces–either the Noom’s face or the numeral. The introductory puzzles are just abstract shapes, but when you get into the harder puzzles the Nooms may change colors when dropped into place. Basically as you drag and drop the Nooms into their places, the image fills in with colors. Some levels just give you the purple 1-Nooms, but others may give you larger ones that you need to cut down to size. The Puzzles give you various shapes that you have to fill in with Nooms, which you get by tapping on a pipe at the top of the screen. There are a few modes of play–Puzzles, Ladder, and Sandbox. Swipe across a Noom, and it will cut into smaller numbers. They get additional eyes, but only up to a point, and they also change color and make different noises depending on what number they are. LiuĭragonBox Numbers starts off with a very brief tutorial: there are little critters called “Nooms,” and when you feed a Noom to another Noom, they combine and stack up vertically. My toddler really loves playing “Nooms.” Photo: Jonathan H. Really, though, in the other two apps, you don’t use a lot of numbers–the algebra has been abstracted into symbols, making it easier to grasp the concepts without getting bogged down by the arithmetic. It’s funny, really–they started with algebra, then moved to geometry, and now they’ve got an app for addition and subtraction. The first is DragonBox Numbers, by the folks who created the groundbreaking algebra game that is still the best educational app I’ve seen. ![]() ![]() I’ve covered various ways to incorporate STEM education through play before, and here are two more math-based apps that I think are outstanding.
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