Mermaid Kingdom Math Quests
A free, printable Grade 5 multi-step word problem worksheet themed around Mermaids. Each problem takes two or three steps to solve. Work them on screen or print the PDF — a teacher/parent answer key is included.
Show answer key (for grown-ups)
1.Coral finds 4 giant oysters with 15 pink pearls each and 3 oysters with 20 white pearls each. She divides all her pearls equally among 5 clam shell boxes. How many pearls go into each box?24
2.Marina discovers a shipwreck chest containing 3,450 silver coins. She sets aside 450 coins to trade for sea-glass jewelry and splits the rest equally among 6 dolphin friends. How many coins does each dolphin receive?500
3.Chef Finbar needs kelp for the Royal Mer-Café. He buys 8 bundles of kelp weighing 25 grams each, but uses 20 grams for a salad first. He then distributes the remaining kelp equally across 3 smoothie blenders. How many grams of kelp are in each blender?60
4.Princess Cleo plants sea anemones in the palace reef. She plants 12 rows with 15 blue anemones each, and 8 rows with 25 purple anemones each. If hungry sea turtles eat 45 of the anemones, how many anemones are left?335
5.A team of 14 mermaids explores a sunken galleon, and each mermaid recovers 25 antique keys. Later, they find 150 extra keys inside the captain's desk. How many antique keys did the team gather in total?500
6.In the Great Reef Race, racers complete 4 laps of 850 meters each. Neptune finds a shortcut that shortens his total swim distance by 340 meters. If Neptune splits his total race swim equally into 2 laps, how many meters long is each lap for him?1530