# Mental Math Bingo with Multiples of 10

Students will practice mentally adding and subtracting 10 to multiples of 10 up to 100 by playing an all time favorite: BINGO! Use alone or alongside the lesson Subtracting From Multiples of 100.
This lesson can be used as a pre-lesson for the Subtracting from Multiples of 100 lesson plan.
##### View aligned standards
This lesson can be used as a pre-lesson for the Subtracting from Multiples of 100 lesson plan.

#### Objectives

Students will be able to add and subtract multiples of 10.

##### Language

Students will be able to mentally add or subtract 10 to a mutiple of 10 within 100 using sentence frames and hands-on activities for support.

#### Introduction

(2 minutes)
• Gather the students together in a comfortable area. On the whiteboard, write the following numbers: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100.
• Ask students to think-pair-share with an elbow partner what they notice about the numbers. Provide sentence stems such as:
• I notice the numbers are different because ________.
• I notice the numbers are the same because ________.
• Something I notice is ________.
• Something I wonder is ________.
• Explain to the students that today they will be learning how to add and subtract 10 from multiples of 10. Elaborate that the numbers on the whiteboard are multiples of 10.