Tutorial & Exercises
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Use Symbolic Math
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Use 6 Dot Entry
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Practice Problems
- Multiple Choice 3.1 (
Direct Answer 3.1
)
Multiple Choice 3.1: Subtraction within 1000
Choose the correct answer
1.
⠼⠛⠙⠚⠐⠤⠼⠃⠋⠙⠀⠐⠶
⠼⠙⠛⠋
⠼⠉⠛⠋
⠼⠙⠋⠋
2.
⠼⠊⠚⠋⠐⠤⠼⠋⠓⠙⠀⠐⠶
⠼⠉⠃⠋
⠼⠃⠃⠃
⠼⠉⠃⠚
3.
⠼⠓⠉⠊⠐⠤⠼⠁⠋⠋⠀⠐⠶
⠼⠋⠋⠉
⠼⠛⠋⠉
⠼⠋⠛⠉
4.
⠼⠓⠋⠁⠐⠤⠼⠉⠛⠊⠀⠐⠶
⠼⠙⠓⠃
⠼⠙⠓⠙
⠼⠙⠓⠊
5.
⠼⠋⠁⠃⠐⠤⠼⠛⠉⠀⠐⠶
⠼⠑⠙⠋
⠼⠑⠉⠊
⠼⠑⠙⠉
6.
⠼⠊⠊⠙⠐⠤⠼⠛⠙⠃⠀⠐⠶
⠼⠃⠃⠑
⠼⠉⠑⠃
⠼⠃⠑⠃
7.
⠼⠙⠊⠋⠐⠤⠼⠁⠚⠚⠀⠐⠶
⠼⠉⠓⠛
⠼⠙⠚⠓
⠼⠉⠊⠋
8.
⠼⠓⠚⠑⠐⠤⠼⠁⠋⠃⠀⠐⠶
⠼⠋⠙⠉
⠼⠛⠉⠉
⠼⠋⠑⠉
9.
⠼⠓⠙⠙⠐⠤⠼⠁⠋⠃⠀⠐⠶
⠼⠋⠛⠑
⠼⠋⠓⠃
⠼⠋⠊⠚
10.
⠼⠉⠙⠁⠐⠤⠼⠁⠃⠉⠀⠐⠶
⠼⠃⠁⠓
⠼⠃⠚⠙
⠼⠃⠃⠙
Direct Answer
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