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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