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The Great Adventure Math Quest

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. JUNGLE TREASURE

    Maya finds a chest with 3 hundreds, 4 tens, and 8 ones of shiny crystals. She rounds this number to the nearest ten. If she gives 50 crystals to her explorer friend and then loses 20 crystals down a canyon, how many crystals does she have left?

    Answer:

  2. ISLAND SHELTER

    To build a shelter, Liam gathers 2 hundreds, 5 tens, and 3 ones of dry palm leaves. His sister brings him another 140 leaves. If they use 180 leaves to build the roof, how many leaves do they have left?

    Answer:

  3. MOUNTAIN CLIMB

    Anna climbs a steep mountain trail that is 850 feet high. In the morning, she hikes up 340 feet. In the afternoon, she hikes another 280 feet. How many more feet does Anna need to climb to reach the peak?

    Answer:

  4. SKY SAFARI

    A hot air balloon starts its flight with 500 sandbags of ballast. The crew tosses out 135 bags to float higher, and then tosses out another 165 bags to clear a mountain. How many sandbags are left in the balloon?

    Answer:

  5. DINOSAUR DIG

    Dr. Jones digs up dinosaur bones in the desert. He finds 145 bones on Monday and 162 bones on Tuesday. If he packs 200 of these bones into a wooden crate, how many bones are still left unpacked?

    Answer:

  6. MAGIC ELIXIR

    An adventurer needs exactly 600 drops of magic potion for a quest. She mixes 245 drops from a blue vial and 185 drops from a green vial. How many more drops of potion does she need to reach her goal?

    Answer:

Show answer key (for grown-ups)
1.Maya finds a chest with 3 hundreds, 4 tens, and 8 ones of shiny crystals. She rounds this number to the nearest ten. If she gives 50 crystals to her explorer friend and then loses 20 crystals down a canyon, how many crystals does she have left?280
2.To build a shelter, Liam gathers 2 hundreds, 5 tens, and 3 ones of dry palm leaves. His sister brings him another 140 leaves. If they use 180 leaves to build the roof, how many leaves do they have left?213
3.Anna climbs a steep mountain trail that is 850 feet high. In the morning, she hikes up 340 feet. In the afternoon, she hikes another 280 feet. How many more feet does Anna need to climb to reach the peak?230
4.A hot air balloon starts its flight with 500 sandbags of ballast. The crew tosses out 135 bags to float higher, and then tosses out another 165 bags to clear a mountain. How many sandbags are left in the balloon?200
5.Dr. Jones digs up dinosaur bones in the desert. He finds 145 bones on Monday and 162 bones on Tuesday. If he packs 200 of these bones into a wooden crate, how many bones are still left unpacked?107
6.An adventurer needs exactly 600 drops of magic potion for a quest. She mixes 245 drops from a blue vial and 185 drops from a green vial. How many more drops of potion does she need to reach her goal?170

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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