九九チャレ - かけ算の学習をおうえんします

HAPPYCODE INC

In-app purchases

About this app

You can listen to examples of how to read the multiplication table and try various problems. There is also a function to view learning records for parents.

□Learning course
You can learn multiplication tables while listening to examples of how to read them.

□Chosen course
You can challenge various problems at each stage.
・Junban (ascending order such as 2×1, 2×2, 2×3, etc.)
・In random order (2×7, 2×2, 2×6, etc.)
・Difficult (questions about numbers to be multiplied, such as 2×?=4, 2×?=12, etc.)
・Bunsho (word problems)

□Power up course (in-app purchase)
You can try questions that are randomly asked or questions that you are not good at.
・In random order (6×7, 2×8, 3×6, etc.)
- Difficult (asking numbers to be multiplied, such as 6×?=12, 8×?=56, etc.)
・Bunsho (word problems)
・Nigate (mainly questions you got wrong before)

□Kazu and Kazu (in-app purchases)
You can check the relationship between the numbers to be multiplied and the numbers to be multiplied while operating the screen.

□Hint display
You can see illustrations of hints in each of the learning, learning, and power-up courses.

□Learning record
This is the learning history of the Chosen Course and the Power Up Course.
・Recent learning history (up to 5000 questions)
・Recent incorrect answer history (up to 1000 questions)
・Daily progress (up to 1000 days)
・Progress by stage (each stage from 1 to 9)

□Switch user
・Up to 10 users (save learning records for each user)

□Usage fee
・Learning course: Free
・Chosen course: Free
・Power-up course: In-app purchase
・Kazu and Kazu: In-app purchases