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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