2-Digit by 1-Digit Multiplication Times Tables

Inside the case file

Times tables 2 digit by 1 digit multiplication worksheets for 3rd grade, 4th grade and 5th grade, a math game of five Mystery Detective cases with twenty products a page. No prep, print and go, full answer keys and a black and white set, for math centers, morning work, early finishers, homework, sub plans and times tables practice in any month. The teacher's lunch and then the apple off the desk go missing, the timetable gets changed and a new teacher nobody can place arrives, and every correct product crosses a suspect off until one is left; a carrying slip lands on no clue, so students go back over their own working, and one CSI Mini Mystery Detective download covers a week of the multiplication unit.

Multi digit multiplication needs repetition, and a case is the pleasant way to get it, so a class happily works the extra twenty problems. Students match each product to a suspect, so they are checking their own place value as they go, and every page is self-marking. The cases are school themed, so it plays in September or May alike, with the math first and the Mystery Detective story a close second.

The Cases

• The Teachers Lunch - the lunch has gone missing
• Teachers Apple - the apple off the desk
• Surprise Activity - who changed the timetable
• The New Teacher - working out who is who
• The Missing Book - the last case of the set

What's Inside

• Five color case pages, a full set of multiplication problems on each
• The same five cases again in black and white
• Answer keys for all five cases
• A teacher instruction page, print and go with nothing to prepare
• Two digit by one digit multiplication throughout
• Times tables practice built into every case

What Is a CSI Mini Mystery Detective?

One printed page holding one crime and the clue list that solves it. Each clue carries a number, the problems on the page produce those numbers, and a correct answer knocks a clue out. Work to the last question and a single suspect is left standing. Get one wrong and nothing matches, which sends a student back over their working before you ever see it.

When to Use This Resource

Reach for this once the standard algorithm has been taught and simply needs mileage, or as review before a test. It works as homework, as a center, and as a set to leave for a substitute. Use it for math centers, morning work, early finishers, homework, sub plans and homeschool lessons, with a whole class, a small group or one student, at any point in the year.

Grade Levels

Written for 3rd grade, 4th grade and 5th grade. Sixth graders who still need the algorithm firmed up get real use out of it, and a strong second grader will manage the early cases with support.

Why Teachers Love These Cases

• A wrong product matches no clue, so students catch their own slips
• Color and black and white are both in the download
• Five cases covers a full week of centers from one print run
• Works for a whole class, a small group, partners or one student

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