Yes, KIDS SUM is completely free and it doesn't have any in-app purchases or subscriptions.
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KIDS SUM is free.
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The rows on the number beads are not representing numbers in the units, tens, hundreds, thousands, etc, format. This approach deviates from the teaching conventions for the (western style), 100-bead abacus. For example, 1 bead on the bottom row shifted to the right is “1”. One bead added on the next row above (“the 10s row”) shifted right represents a total of “11” - not “2” as is currently displayed. A correct sum of the beads would be helpful. Please fix this.
We tested this learning game for a few days now. I see my kids come back to the app without pushing. They’re trying to solve those little quizzes and keep focused. I am happy with that and I guess it’s great for first counting and number experiences. Maybe I wish we could deactivate the sound buttons and have maybe animals instead of balls to count :)
Is not worth even download it for free, it only gives you a very limited version and if you want to use the real abacus you have to pay
My daughter got bored pretty quickly. The reward was too small for getting it right. Her math abilities are at a pre-school level. She did enjoy pushing the beads around. I liked the wooden sound of the clicks.
