Long division with remainders practice for 4th grade, in ten no prep math Mini Mystery Detective cases with a zoo theme. These long division worksheets cover 3-digit and 4-digit dividends divided by 1-digit divisors, with every answer written as a quotient and remainder. Use these math activities for math centers, morning work or homework, and you'll find an answer key for every case.
Use this pack once your class knows the steps of long division. Each case is a little harder than the one before, and you can give each group the page that suits them. Students match each quotient and remainder to a suspect and cross that name off. It's self-checking. Zeros in the quotient, a first digit too small to share, and a remainder or no remainder case are all included.
What's Inside
- Ten one-page zoo detective cases on long division with remainders, each with an answer key
- A 2-digit warm-up case
- 3-digit and 4-digit dividends divided by 2 to 5 and by 6 to 9
- Cases on a first digit too small to share and on zeros in the quotient
- A remainder or no remainder case, plus a mixed review case
- A reference page with the four steps, a worked example and a way to check every answer
- A contents page, teacher instructions, a detective case log and a certificate of achievement
- 30 black and white pages, ready to print
The Cases
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The Lion's Lost Dinner - a 2-digit warm-up
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The Flamingo Feather Thief - 3-digit numbers divided by 2 to 5
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The Kangaroo on the Loose - 3-digit numbers divided by 6 to 9
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The Peanut Smuggler - when the first digit is too small
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The Gorilla Lock-In - zeros in the quotient
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The Giraffe Map Mix-Up - 4-digit numbers divided by 2 to 5
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The Crocodile in the Pool - 4-digit numbers divided by 6 to 9
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The Muddy Rhino Tracks - remainder or no remainder
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The Seal Show Splash - 4-digit numbers with zeros
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The Midnight Prowler - mixed review
When to Use This Resource
The cases start with a 2-digit warm-up and move to 3-digit and then 4-digit dividends. You can hand out one at a time once the standard algorithm has been introduced, or pull a single page when a group needs more time on zeros or on 4-digit dividends. The remainder or no remainder case checks that students finish each problem. It's also useful for guided math groups, test prep, sub plans, early finishers and homeschool lessons, and for end of year review.
Grade Levels
Written for 4th grade, where students first divide up to 4-digit numbers by 1-digit divisors and write remainders. The 4-digit and mixed review cases give confident 4th graders a stretch, and the pack makes a quick long division review at the start of 5th grade before 2-digit divisors arrive.
Why Teachers Love Mystery Detectives
- Ready to print, no prep
- Self-checking
- Cases that get a little harder each time
- A zoo mystery with lions, giraffes and a crocodile
- Black and white printing
Want more cases like these?
Follow Kiwiland Education to discover more CSI Mini Mystery Detective cases, no-prep math activities, and detective-themed printables for elementary classrooms.
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