Looking for the perfect addition to your morning work routine, math warm up time, small group guided math, or early finisher activities? These Math Mystery Numbers reinforce math vocabulary and problem-solving in a fun, engaging way that will keep your students begging for more!

For each mystery number activity, your students will work step-by-step, using the clues to eliminate numbers and figure out which one is the mystery number. They will work with math vocabulary such as odd, even, greater than, less than, sum, difference, and much more.

20 math vocabulary mystery number activities are included in this package for 8-digit numbers to 100,000,000.

Looking for a way to differentiate to all the unique abilities in your classroom? Purchase the Mystery Number bundle and use different versions of Math Mystery Numbers for different students. For example, one student might work with 2-digit numbers while another works with fractions or decimals!

This resource is included in both a print and digital version so you can choose the version that best suits your needs. The digital version is provided in Google Slides™ format, meaning that you will require a Google account to access it. You can also use the digital version in Microsoft TEAMS by saving as a PowerPoint first.

Here’s what other teachers are saying about Math Vocabulary Mystery Numbers:

⭐️⭐️⭐️⭐️⭐️ "I have been using these in a small group to work on building math vocabulary. When we are doing them, I can see which students understand the math vocabulary and which students need more practice with certain math words.”

⭐️⭐️⭐️⭐️⭐️ “I used this as morning work this week, and my students LOVED it! (They are not easily impressed or motivated to challenge themselves). They loved solving these "mysteries", said it was fun, felt successful, and asked if they could do more. They even asked for mystery number homework! Shocker! I like how the clues incorporate math vocabulary such as "odd, even, numerator, denominator." Great review of math vocab!”

⭐️⭐️⭐️⭐️⭐️ “I wish I would've found this resource sooner!!!! My students are LOVING this activity to complete when they arrive in the morning. It gets them thinking critically in a fun, engaging way. You need this resource!!”

⭐️⭐️⭐️⭐️⭐️ “My students love doing these activities! I love how it helps them practice the skills of thinking critically and eliminating answer choices. In addition to strengthening their understanding of math concepts, they're also practicing good test taking strategies!”

⭐️⭐️⭐️⭐️⭐️ “Love that there are 'mysteries' for different number of digits - great for differentiation! The math vocabulary is fantastic! It has been great listening to the students discuss the clues and ask questions for clarification.”