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Case of the Missing Books

A free, printable Grade 4 multi-step word problem worksheet themed around The missing book. 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. MULTIPLICATION AND SUBTR

    Leo is looking for a missing fantasy book series that has 8 volumes. Each volume has exactly 120 pages. He has found 5 volumes so far. How many pages are in the volumes he is still missing?

    Answer:

  2. FRACTIONS OF A NUMBER

    The school library is missing 48 mystery books. The detective club finds 1/4 of them hiding in the art room, and another 15 books under a gym bench. How many mystery books are still missing?

    Answer:

  3. MISSING ADDENDS AND PLAC

    Maya is tracking down a giant dictionary with 900 pages, but some pages are torn out. The index has 35 pages, and the first section has 425 pages. How many pages are in the missing middle section?

    Answer:

  4. DIVISION AND SUBTRACTION

    The librarian estimated there were 300 missing chapter books and packed them into 6 equal boxes. If the library assistants have found 2 of those boxes, how many books are still missing?

    Answer:

  5. SKIP COUNTING AND ADDITI

    Detective Max searches bookshelves for a lost comic book. He checks 7 shelves with 12 books on each, and 4 shelves with 15 books on each. If he has already inspected 110 books, how many books are left to check?

    Answer:

  6. MISSING ADDENDS AND DIVI

    A box containing 180 missing library barcode stickers was found in a drawer. The librarian used 45 of them immediately. She wants to divide the remaining stickers equally among 9 student helpers. How many stickers does each helper get?

    Answer:

Show answer key (for grown-ups)
1.Leo is looking for a missing fantasy book series that has 8 volumes. Each volume has exactly 120 pages. He has found 5 volumes so far. How many pages are in the volumes he is still missing?360
2.The school library is missing 48 mystery books. The detective club finds 1/4 of them hiding in the art room, and another 15 books under a gym bench. How many mystery books are still missing?21
3.Maya is tracking down a giant dictionary with 900 pages, but some pages are torn out. The index has 35 pages, and the first section has 425 pages. How many pages are in the missing middle section?440
4.The librarian estimated there were 300 missing chapter books and packed them into 6 equal boxes. If the library assistants have found 2 of those boxes, how many books are still missing?200
5.Detective Max searches bookshelves for a lost comic book. He checks 7 shelves with 12 books on each, and 4 shelves with 15 books on each. If he has already inspected 110 books, how many books are left to check?34
6.A box containing 180 missing library barcode stickers was found in a drawer. The librarian used 45 of them immediately. She wants to divide the remaining stickers equally among 9 student helpers. How many stickers does each helper get?15

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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