Climb aboard the submarine! Solve addition and subtraction problems to dive deeper into the ocean.
Choose Your Dive Zone:
Tide Pool
Add and subtract within 20
8 + 7, 14 − 6
Coral Reef
2-digit problems, no regrouping
34 + 25, 78 − 43
Deep Trench
2-digit with carrying & borrowing
47 + 38, 62 − 29
🎯 Practice Dive Available!
You have 0 tricky problem(s) waiting in the depths.
Dive 1 of 10
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Solve it to dive deeper!
47
+38
?
🎉
Dive Complete!
10
Pearls Collected
100%
Accuracy
0
Bubbles Missed
🫧 Problems to Review:
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