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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