Kaila looked at her starting depth: . She needed to reach -8 . She swam to the first seabed tunnel, which had a glowing sign: +3 . If she swam through that, she’d go up to -4. Wrong direction. The next tunnel was -2 . From -7, minus 2 is -9. Too deep. The third was +5 , which would send her to -2. Even worse.
She opened the next level:
Second gate: (where y = 6). 6 - 4 = 2, not 10. False. She veered left, through a different archway marked TRUE . math snacks pearl diver
The screen shimmered, and suddenly Kaila wasn’t in her room anymore. She was standing on a rickety dock overlooking a bioluminescent sea. The air smelled of salt and rust. Beside her, a grizzled old diver named Gus was tightening the bolts on a brass diving helmet. Kaila looked at her starting depth:
The map showed a terrifying drop. New symbols appeared on her helmet’s heads-up display: , y , and the dreaded equals sign. If she swam through that, she’d go up to -4