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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