Math MysteriesMake a mystery

The Great Island Adventure!

A free, printable Grade 3 multi-step word problem worksheet. Each problem takes two or three steps to solve. Work them on screen or print the PDF — a teacher/parent answer key is included.

  1. TREASURE HUNT

    Leo finds 4 treasure chests. Each chest has 10 gold coins. He gives 15 gold coins to his friend Maya. How many gold coins does Leo have left?

    Answer:

  2. MAGIC POTIONS

    Emma has 3 red potions and 5 blue potions. Each potion needs 5 magic drops to work. How many magic drops does Emma need in total?

    Answer:

  3. SECRET MAPS

    Sam looks for secret map pieces. He finds 3 packs with 10 pieces each, and 8 single pieces. He loses 12 pieces in the wind. How many map pieces does Sam have now?

    Answer:

  4. JUNGLE BRIDGE

    To cross a river, Zoey steps on 6 wet rocks. She hops 3 times on each rock. Then she takes 14 steps on land. How many total steps does she take?

    Answer:

  5. DRAGON GEMS

    A friendly dragon has 5 nests. Each nest has 8 shiny green gems. The dragon gives 12 gems to a brave knight. How many gems does the dragon have left?

    Answer:

  6. PIRATE SHIP

    A pirate ship has 4 big sails and 2 small sails. Each sail needs 10 skull flags. How many skull flags do the pirates need in all?

    Answer:

Show answer key (for grown-ups)
1.Leo finds 4 treasure chests. Each chest has 10 gold coins. He gives 15 gold coins to his friend Maya. How many gold coins does Leo have left?25
2.Emma has 3 red potions and 5 blue potions. Each potion needs 5 magic drops to work. How many magic drops does Emma need in total?40
3.Sam looks for secret map pieces. He finds 3 packs with 10 pieces each, and 8 single pieces. He loses 12 pieces in the wind. How many map pieces does Sam have now?26
4.To cross a river, Zoey steps on 6 wet rocks. She hops 3 times on each rock. Then she takes 14 steps on land. How many total steps does she take?32
5.A friendly dragon has 5 nests. Each nest has 8 shiny green gems. The dragon gives 12 gems to a brave knight. How many gems does the dragon have left?28
6.A pirate ship has 4 big sails and 2 small sails. Each sail needs 10 skull flags. How many skull flags do the pirates need in all?60

About Math Mysteries

Math Mysteries makes free, printable math for kids ages 6–12 — personalized to what your child is into. Beyond practice sheets like this one, you can generate a full math mystery whodunit (solve the math to catch the culprit), or browse free printable worksheets by grade, skill, and theme. Every puzzle is verified to have one correct answer.

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