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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