Emek and Luna reached a river on their forest trail. The safe stepping stones had 2, 4, 6, and 8 marks. Luna noticed that each safe stone had 2 more marks than the one before it. Ahead, they saw stones with 9, 10, and 11 marks. Emek followed the pattern and chose the stone with 10 marks. They stepped onto it safely and continued across the river.
Challenges
Challenge 1 of 5
Challenges
Challenge 1 of 4
Hint
Look at how many marks are added from one safe stone to the next.
The safe stones had 2, 4, 6, and 8 marks. What is the rule for this pattern?
Add 1 each timeAdd 2 each timeAdd 3 each timeAdd 4 each timeCorrect! The number of marks goes up by 2 each time.
Try again. Compare 2 to 4, then 4 to 6.
Next🎉 Congrats! You got this question!
Hint
Start at 10 and add 2 more marks.
Emek chose the safe stone with 10 marks. If the pattern continues by adding 2 marks, how many marks should the next safe stone have?
Correct! The next safe stone has 12 marks.
Try again. Follow the same add-2 rule after 10.
Next🎉 Congrats! You got this question!
Hint
Continue the safe pattern after 10 by adding 2 each time.
Farther across the river, Emek and Luna see stones with 12, 13, and 14 marks. If the safe pattern continues, which stones should be safe?
12 and 1313 and 1412 and 1412, 13, and 14Correct! The pattern continues with 12 and then 14.
Try again. Start with 10 and keep adding 2.
Next🎉🎉🎉🎉🎉🎉🎉🎉
🎉 Congrats! You finished this challenge set!
