Crack the Code Addition & Subtraction Worksheets 2nd Grade Secret Code Puzzles

What others say

"My students love secret codes and I love giving them different ways to practice addition and subtraction."

Lea K.

"I used this in my first grade classroom. This product was visually appealing and engaging for the students. It was also very easy to prepare! I will definitely be using next year! "

Katie P.

Description

These 20 Crack the Code Worksheets are a fun way for students to practice solving addition & subtraction problems! These Secret Code Puzzles cover single & double digit addition and subtraction so you can use them for students at different levels (Grades 1, 2 & 3).

These fun math worksheets are ideal for early finishers, end of the year review, or to leave for substitute teachers!

Worksheets:

Pages 1 – 4 - Single Digit Addition

Pages 5 – 8 – Double Digit Addition

Pages 9 – 12 – Subtraction (Differences Under 20)

Pages 13 – 16 - Double Digit Subtraction

Pages 17- 20 - Mixed Addition & Subtraction

Answers

Buy it in a bundle and save!

These puzzles are also found in:

Addition & Subtraction Worksheets & Math Centers Bundle

Early Finisher Activities Bundle

Grades 1 & 2 Addition & Subtraction Units Bundle

Crack the Code Addition & Subtraction Worksheets 2nd Grade Secret Code Puzzles

Name: Crack the Code Addition & Subtraction Worksheets 2nd Grade Secret Code Puzzles
Brand: The Teaching Rabbit
SKU: 9514030
Price: 3.00 USD
Availability: InStock
Rating: 4.88 (16 reviews)

The Teaching Rabbit

11.4k Followers

$3.00

Highlights

Digital downloads

PDF

Grades

1st - 3rd

Subjects

Basic Operations, Math, Mental Math

What others say

"My students love secret codes and I love giving them different ways to practice addition and subtraction."

Lea K.

"I used this in my first grade classroom. This product was visually appealing and engaging for the students. It was also very easy to prepare! I will definitely be using next year! "

Katie P.

Save even more with bundles

Early Finisher Activities 2nd Grade Fast Finisher Worksheets Bundle

Use these Early Finisher Activities for fast finishers! These no prep worksheets make great bell ringers and are easy to leave for substitute teachers. Use them for end of the year review activities or for back to school busy work! This fun math & language bundle for 2nd grade comes with 195

Price $9.99Original Price $18.23Save $8.24

Addition & Subtraction Units Grades 1 & 2 Math Ontario + Secret Code Puzzles

These Addition & Subtraction Units include worksheets, lesson ideas, activities, task cards, and tests! They cover single & double digit addition and subtraction. These math units are based on the Grade 1 & Grade 2 expectations in the 2020 Ontario Math Curriculum. Both units come with

Price $15.98Original Price $18.98Save $3.00

Addition & Subtraction Worksheets & Task Cards - 1st, 2nd, 3rd Grades Bundle

This Addition & Subtraction Worksheets and Task Cards Bundle is packed with over 180 pages of practice activities for 1st & 2nd grades! It has 64 no prep math worksheets, 20 secret code puzzles for early finishers, 80 word problems task cards, a fact families math station, balancing equatio

Price $9.99Original Price $19.00Save $9.01

Description

These fun math worksheets are ideal for early finishers, end of the year review, or to leave for substitute teachers!

Worksheets:

Pages 1 – 4 - Single Digit Addition

Pages 5 – 8 – Double Digit Addition

Pages 9 – 12 – Subtraction (Differences Under 20)

Pages 13 – 16 - Double Digit Subtraction

Pages 17- 20 - Mixed Addition & Subtraction

Answers

Buy it in a bundle and save!

These puzzles are also found in:

Addition & Subtraction Worksheets & Math Centers Bundle

Early Finisher Activities Bundle

Grades 1 & 2 Addition & Subtraction Units Bundle

You may also like:

Multiplication & Division Crack the Code Worksheets

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4.9

Rated 4.88 out of 5, based on 16 reviews

16
ratings

Mostly used with 1st and 2nd grades

Reviews

1st

2nd

3rd

4th

All verified TPT purchases

Great resource!

Rated 5 out of 5

April 9, 2026

Met expectations

Great value

These have been a great option for my early finishers and kids who need a little bit of a challenge!

Lizie M.

524 reviews • New Jersey

Grades taught: 2nd

Love this math secret code activity!

Rated 5 out of 5

March 3, 2026

Met expectations

Great value

My students love secret codes and I love giving them different ways to practice addition and subtraction.

Lea K.

110 reviews • Outside the United States

Grades taught: 2nd

Nice resource, but incomplete.

Rated 4 out of 5

January 14, 2026

Met expectations

Great value

The mystery puzzles are great and helpful, however, the expressions are incomplete without the answer line. I had to draw it in to separate the problem from the answer to avoid confusing students.

MrTran

(TPT Seller)

3 reviews • Massachusetts

Grades taught: 2nd, 3rd, 4th

Student populations: Emerging bilinguals, Learning difficulties

Response from

The Teaching Rabbit

(TPT Seller)

Mar 9, 2026

Hi,

Thanks for your feedback. I have now added lines to the vertical problems to make it easier for students!

Thank you!

Rated 5 out of 5

November 8, 2025

Thanks!

Learn with Ms M

(TPT Seller)

575 reviews • Illinois

Grades taught: 3rd

Rated 5 out of 5

July 20, 2025

Secret codes make any extra practice feel so much more exciting. Thank you.

Stephanie S.

897 reviews

Grades taught: 2nd, 3rd

Rated 5 out of 5

July 11, 2025

I used this in my first grade classroom. This product was visually appealing and engaging for the students. It was also very easy to prepare! I will definitely be using next year!

Katie P.

154 reviews

Grades taught: 1st

Rated 5 out of 5

May 19, 2025

This activity was a huge motivator for my students during their independent math station! They loved trying to crack the secret code.

Lindsey Cagle

(TPT Seller)

151 reviews

Grades taught: 1st

Rated 5 out of 5

May 5, 2025

My students love puzzles, so this is a great way to solve a puzzle while also strengthening their fact fluency.

Lauren P.

194 reviews

Grades taught: 1st, 2nd

Student populations: Learning difficulties, Mild to severe disabilities