Remember: A variable can count. Each time, it takes its old value and adds one.
Questions
1
Which rule does not make a counter count up?
🧮set stars to stars plus one➕add one to the old valueput one in the box every time
2
Which rule is a bug in a counter?
🔁take out, add one, put back🙈forget the old value🧮set stars to stars plus one
3
Which rule is a bug in a counter?
put zero in the box every time🚦start at zero, add one each time🧮set stars to stars plus one
4
Which rule is a bug in a counter?
🧮set stars to stars plus one➕add one to the old value🗑️empty the box each time
5
Which rule makes a variable count up?
put zero in the box every time➕add one to the old valueput one in the box every time
6
Which rule makes a variable count up?
🙈forget the old valueput one in the box every time🚦start at zero, add one each time
7
Which rule makes a variable count up?
put one in the box every time🗑️empty the box each time🔁take out, add one, put back
8
Which rule makes a variable count up?
put one in the box every time🗑️empty the box each time🧮set stars to stars plus one
9
Which rule does not make a counter count up?
🔁take out, add one, put back🙈forget the old value🧮set stars to stars plus one
10
Which rule does not make a counter count up?
🧮set stars to stars plus oneput zero in the box every time🔁take out, add one, put back
11
Which rule is a bug in a counter?
➕add one to the old value🚦start at zero, add one each timeput one in the box every time
12
Which rule does not make a counter count up?
🚦start at zero, add one each time🗑️empty the box each time🧮set stars to stars plus one
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