Little detectives · 39/50 · Ages 8–10
The shortcut question
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Fox wants the route with fewer steps, but one route is blocked. A good plan checks the rules before choosing the shortest-looking path. Fast is not useful if the plan cannot work.
What you will discover
- A solution must satisfy the puzzle’s constraints.
- Compare only routes that are allowed and reach the goal.
English vocabulary
- plan
- kế hoạch
- goal
- mục tiêu
Let’s play
Route A has 3 steps but a wall. Route B has 5 clear steps to home. Choose the valid route.
- Route A
- Route B
- Either route automatically works
See the explanation
Route B works. Route A’s wall prevents reaching home under these rules.
Practise touch typing
Place your hands on F and J and type this sentence using ten fingers.
A good plan follows the rules and reaches the goal.
Two little quiz questions
1. What should you check before comparing route length?
- Whether the routes are allowed
- Which name sounds exciting
- Which route is red
Answer and explanation
Whether the routes are allowed. A blocked route is not a valid solution.
2. Is the shortest-looking plan always the best?
- No, it may not satisfy the rules
- Yes
- Only on a computer
Answer and explanation
No, it may not satisfy the rules. A useful plan must actually work.