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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