Remember: An if-else asks one question and then does exactly one of two things.
Questions
1
Which rule has no else?
🌉if the bridge is clear, cross it, else use the stones🌵if the soil is dry, water it🚦if the light is green, go, else wait
2
Which rule has no else?
🚦if the light is green, go, else wait🧥if it is cold, wear a coat, else wear a shirt💡if the lamp is dark, turn it on
3
Which rule has an else?
🌉if the bridge is clear, cross it, else use the stones☔if it rains, take an umbrella🔔if the bell rings, line up
4
Which rule has an else?
💡if the lamp is dark, turn it on🧥if it is cold, wear a coat, else wear a shirt🌵if the soil is dry, water it
5
Which rule has an else?
🔔if the bell rings, line up🥪if you are hungry, eat lunch, else keep playing☔if it rains, take an umbrella
6
🚫True or false? An if-else can run neither of its parts.
TrueFalse
7
Which rule has an else?
🔔if the bell rings, line up🚦if the light is green, go, else wait☔if it rains, take an umbrella
8
Which rule can do nothing at all?
🚦if the light is green, go, else wait🔔if the bell rings, line up🥪if you are hungry, eat lunch, else keep playing
9
Which rule has no else?
☔if it rains, take an umbrella🧥if it is cold, wear a coat, else wear a shirt🌉if the bridge is clear, cross it, else use the stones
10
👯True or false? An if-else runs both of its parts together.
TrueFalse
11
💤True or false? An if on its own does nothing when it is false.
TrueFalse
12
🙃True or false? When the answer is yes, the else part runs.
TrueFalse
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Answer key · Set C
If and else
1if the soil is dry, water it
2if the lamp is dark, turn it on
3if the bridge is clear, cross it, else use the stones
4if it is cold, wear a coat, else wear a shirt
5if you are hungry, eat lunch, else keep playing
6False
7if the light is green, go, else wait
8if the bell rings, line up
9if it rains, take an umbrella
10False
11True
12False
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