# Greater Than Less Than Dolphin Activity

### How to teach Comparing Numbers

Using this Greater Than Less Than Dolphin Activity, students sort numbers into categories by deciding whether numbers are greater than or less than 50.

Use the activity cards to compare two two-digit numbers based on meanings of the tens and ones digits, Decide whether numbers are greater than or less than 50. Practice using with the symbols > or < on the activity worksheet.

### Other resources to use with this Greater Than Less Than Dolphin Activity

If you are using this activity, your students are probably learning about comparing numbers.

Use this Comparing Two Digit Numbers Worksheet as an additional resource for your students.

Introduce this activity by listening to the Have Fun Teaching Counting to 100 Song. Next, students get cards with numbers on them. Tell students to move to different parts of the room based on their number. Example, if you have a number greater/bigger than 5 go to the windows.  Then, students complete the activity independently or with a partner. Finally, students create their own inequality statements.

Be sure to check out more Inequalities Activities.