Subtract Within 20 (2.OA.2) Battleship Math Activity Worksheet BM0111 transforms your classroom into an exciting, strategy-based learning experience with a fun twist on the classic Battleship-style game! Powered by Battleboats, this interactive Google Sheets activity turns math practice and skill review into an engaging, game-based challenge that keeps students motivated and focused.

This ready-to-use resource is perfect for introducing new concepts, reinforcing key skills, or assessing student understanding. With structured gameplay and built-in questions, it provides a seamless experience that allows you to jump right into instruction without extra setup.

Students stay actively engaged as they solve problems, think strategically, and compete to sink ships—all while building critical thinking skills. With minimal prep required, you’ll save valuable planning time while delivering high-impact, interactive learning your students will love.

Give your students a memorable learning experience with Subtract Within 20 (2.OA.2) Battleship Math Activity Worksheet BM0111—the perfect blend of practice and play!

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Benefits For Teachers and Students:

• Interactive Learning Format
• Energize Classroom
• Reinforce concepts in an engaging way.
• Minimal Teacher Preparation
• Gauge Student Understanding
• Promote Critical Thinking

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What You Get:

• Two Spreadsheets with 3 Games Each
• Each Game has 81 Math Questions a Total of 486 Math Questions
• Minimal Preparation for Teachers: This game is incredibly easy to set up. Just open the Google Sheet, and you're ready to go! It's ideal for busy educators who want to save time on lesson planning while still delivering high-quality, engaging math practice.
• Self-Correcting Math Problems: Students must solve it correctly to find out if they’ve scored a "Hit" or a "Miss," providing instant feedback.
• Engagement Through Gamification: Turning math practice into a game increases student motivation and participation.

Sample Questions 

*Game questions are similar to those listed below.

7 - 5 

Ans: 2

18 - 16 

Ans: 2

[question_3] 

Ans: [answer_3]

19 - 12 

Ans: 7

17 - 12 

Ans: 5

16 - 5 

Ans: 11

10 - 5 

Ans: 5

20 - 10 

Ans: 10

14 - 4 

Ans: 10

20 - 4 

Ans: 16

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How To Play:

Battleboats is a Battleship-style game played on Google Sheets, where the objective is to sink all the boats by solving math problems. The game is played on two grids: the Battle Grid and the Answer Grid.

Here's how to play:

Select Coordinates

On the Battle Grid, use the dropdown menu to select a coordinate from the full list of available grid positions (e.g., A1, B5, etc.). Once selected, the corresponding cell on the Battle Grid will be automatically highlighted in yellow.

Solve the Math Problem

On the Answer Grid, locate the highlighted coordinate. Find the dropdown menu in that cell and select the correct answer to the math problem.

Check Your Result

If your answer is correct and there is a boat in the targeted cell, an “H” icon will appear on the Battle Grid, indicating a hit.

If your answer is correct but there is no boat in the cell, a “C” icon will appear, indicating a miss.

If your answer is incorrect, a “W” icon will appear on the Battle Grid at the chosen coordinates.

Sink All the Boats

There are 5 different types of boats, each requiring a specific number of hits to be sunk. Keep track of the boats still in play, displayed below the Answer Grid. Once a boat is sunk, it will be crossed out.

Continue Playing

Continue selecting coordinates and solving problems until all the boats have been sunk. Be sure to select the correct grid and input answers carefully. Allow a brief moment for the game to register each action after making a selection.

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Additional Notes:

After purchase, you’ll receive a detailed PDF guide with step-by-step instructions. Inside the PDF, you’ll find a special Google Template Preview link—just click “Use Template” to instantly create your master copy of the game in Google Drive. 

From your master copy, you can make a duplicate to share with students. In the student copy, simply remove the answer sheets before assigning. Share the student-ready copy through Google Classroom or your preferred platform.

This game was created using my  Google Workspace Marketplace Battleboats Game Add-on. This Google Sheets extension will allow you to customize the game template with your own questions, and answers.

Check out this video for more information about this game and template:

https://youtu.be/T_GwAN8nOwM

Note: This resource is included in the All Access Membership. If you are already a member, click here to view and download.

As part of the All Access Membership, you’ll also gain access to a powerful Worksheet Maker tool that allows you to create your own question sets for this game format. Easily generate new worksheets to extend gameplay, differentiate instruction, and tailor content to your students’ needs.

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Customer Tip:

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Visit the  My Purchases Page and click the leave a review button. Your account will be credited for future purchases. 

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Subtract Within 20 Math Worksheets