Binary Code Activities
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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 digital versions. The links in the PDFs will take you to them. BONUS: I have also included 20 Addition & Subtraction Secret Code Puzzles for early finishers! Grade 1 Math Unit:Lesson Ideas (8 pages) Addin
1st - 2nd
Arithmetic, Basic Operations, Math
3 Digit Addition With Regrouping Escape Room | No Prep Digital Math Activity
Get ready for an exciting adventure! In this 3 Digit Addition With Regrouping Escape Room Math Activity, students must answer questions about adding 3 digit numbers with regrouping and crack secret codes to escape before time runs out. This engaging, hands-on activity challenges students while making learning interactive and fun. ⭐ Perfect For: Distance learning, morning work, math review, math centers, test prep, sub plans, early finishers, substitutes, and homework. ⭐ Please Note: This act
2nd - 3rd
Arithmetic, Basic Operations, Math
CCSS
2.NBT.B.7
, 3.NBT.A.2
Winter Math Escape Room Mega Bundle – 2nd, 3rd & 4th Grade Activities
❄️ Winter Math Escape Room Mega Bundle – 2nd, 3rd & 4th Grade Activities ❄️ Bring high engagement, rigorous math practice, and winter-themed fun into your classroom with this Winter Math Escape Room Mega Bundle for Grades 2–4. This value-packed bundle includes 12 interactive digital escape rooms, each built around a clear winter storyline and grade-appropriate math skills that align with classroom standards. Students become problem-solvers on exciting winter missions—unlocking clues, crackin
2nd - 4th
Arithmetic, Basic Operations, Numbers
2nd Grade End of Year Escape Room Bundle | Math & Reading Review Activities
🎓 2nd Grade End of Year Escape Room Bundle Math & Reading Review | Digital & Printable Activities Bring excitement, collaboration, and meaningful review to the end of the school year with this 2nd Grade End of Year Escape Room Bundle!This engaging bundle includes two highly interactive escape room challenges designed to help students review key math and reading skills while solving puzzles, cracking codes, and completing a fun end-of-year mission. Perfect for keeping students motivated and
2nd
Arithmetic, Reading
Star Wars 3 Digit Subtraction Task Cards w/QR Codes UPDATE for Distance Learning
***updated for Distance Learning*** Use with Google Slides and Google Classroom! Are your students practicing triple digit subtraction (with regrouping)? Are they tired of the same old math centers? When you introduce these Star Wars inspired task cards with QR codes, you'll be as wise as Yoda and your students will get to practice their Jedi skills while getting instant feedback when they scan the QR codes. Why use QR Codes? *Interactive *Easy to use *Techy *Engaging *Immediate feedback You d
2nd - 3rd
Arithmetic, Basic Operations, Math
CCSS
2.NBT.B.5
, 2.NBT.B.7
2 Digit Addition & Subtraction With Without Regrouping Escape Room Math Activity
Get ready for an exciting adventure! In this 2 Digit Addition & Subtraction With & Without Regrouping Escape Room Math Activity, students must answer questions about adding & subtracting 2 digit numbers and crack secret codes to escape before time runs out. This engaging, hands-on activity challenges students while making learning interactive and fun. ⭐ Perfect For: Distance learning, morning work, math review, math centers, test prep, sub plans, early finishers, substitutes, and homework.
1st - 3rd
Arithmetic, Basic Operations, Math
CCSS
1.NBT.C.4
, 2.NBT.B.5
, 2.NBT.B.6
4 Digit Addition & Subtraction With Without Regrouping Escape Room Math Activity
Get ready for an exciting adventure! In this 4 Digit Addition & Subtraction With & Without Regrouping Escape Room Math Activity, students must answer questions about adding & subtracting 4 digit numbers and crack secret codes to escape before time runs out. This engaging, hands-on activity challenges students while making learning interactive and fun. ⭐ Perfect For: Distance learning, morning work, math review, math centers, test prep, sub plans, early finishers, substitutes, and homework.
2nd - 5th
Arithmetic, Basic Operations, Math
CCSS
3.NBT.A.2
, 4.NBT.B.4
Star Wars 3 Digit Addition Task Cards w/QR Codes UPDATE for Distance Learning
***updated for Distance Learning*** Use with Google Slides and Google Classroom! Are your students practicing triple digit addition (with regrouping)? Are they tired of the same old math centers? When you introduce these Star Wars inspired task cards with QR codes, you'll be as wise as Yoda and your students will get to practice their Jedi skills while getting instant feedback when they scan the QR codes. Why use QR Codes? *Interactive *Easy to use *Techy *Engaging *Immediate feedback You don't
2nd - 3rd
Arithmetic, Basic Operations, Math
CCSS
2.NBT.B.7
, 2.OA.A.1
Single Digit Multiplication Escape Room | Digital Math Review Activity Game
Get ready for an exciting adventure! In this Single Digit Multiplication Escape Room Math Activity, students must answer questions about multiplying single digit numbers and crack secret codes to escape before time runs out. This engaging, hands-on activity challenges students while making learning interactive and fun. ⭐ Perfect For: Distance learning, morning work, math review, math centers, test prep, sub plans, early finishers, substitutes, and homework. ⭐ Please Note: This activity inclu
2nd - 4th
Arithmetic, Basic Operations, Math
CCSS
3.OA.C.7
Crack the Code Digital Freebie - Addition & Subtraction w/ Regrouping
Looking for a digital file for double digit addition and subtraction with regrouping? Here is the perfect activity for you. Students work to solve the problems then use the answers to solve a riddle. This is a free sample of a pack that includes 5 sheets as of now! Check it Out!If you don't want digital, click here for a printable pack!
2nd - 3rd
Arithmetic, Math, Numbers
Winter Multi-digit Addition and Subtraction Activities in Google Classroom™
Google Classrooms™ are such a time saver! They can be easily accessed anywhere and used on computers, tablets and other mobile devices! They are perfect for classroom use, early finishers, absent students, sub plans, and remote learning! Do your students need practice with their three- and four-digit addition and subtraction with regrouping? Well, we have you covered with these fun-themed activities that your in class or at home learning students will love! This addition/subtraction packet allow
2nd - 6th
Arithmetic, Math
3 Digit Addition & Subtraction With Regrouping Escape Room Digital Math Activity
Get ready for an exciting adventure! In this 3 Digit Addition & Subtraction With Regrouping Escape Room Math Activity, students must answer questions about adding & subtracting 3 digit numbers with regrouping and crack secret codes to escape before time runs out. This engaging, hands-on activity challenges students while making learning interactive and fun. ⭐ Perfect For: Distance learning, morning work, math review, math centers, test prep, sub plans, early finishers, substitutes, and home
2nd - 3rd
Arithmetic, Basic Operations, Math
CCSS
2.NBT.B.7
, 3.NBT.A.2
4 Digit Addition & Subtraction With Regrouping Escape Room Digital Math Activity
Get ready for an exciting adventure! In this 4 Digit Addition & Subtraction With Regrouping Escape Room Math Activity, students must answer questions about adding & subtracting 4 digit numbers with regrouping and crack secret codes to escape before time runs out. This engaging, hands-on activity challenges students while making learning interactive and fun. ⭐ Perfect For: Distance learning, morning work, math review, math centers, test prep, sub plans, early finishers, substitutes, and home
2nd - 5th
Arithmetic, Basic Operations, Math
CCSS
3.NBT.A.2
, 4.NBT.B.4
4 Digit Subtraction With Regrouping Escape Room | No Prep Digital Math Activity
Get ready for an exciting adventure! In this 4 Digit Subtraction With Regrouping Escape Room Math Activity, students must answer questions about subtracting 4 digit numbers with regrouping and crack secret codes to escape before time runs out. This engaging, hands-on activity challenges students while making learning interactive and fun. ⭐ Perfect For: Distance learning, morning work, math review, math centers, test prep, sub plans, early finishers, substitutes, and homework. ⭐ Please Note:
2nd - 5th
Arithmetic, Basic Operations, Math
CCSS
3.NBT.A.2
, 4.NBT.B.4
4 Digit Addition With & Without Regrouping Escape Room Digital Math Activity
Get ready for an exciting adventure! In this 4 Digit Addition With & Without Regrouping Escape Room Math Activity, students must answer questions about adding 4 digit numbers and crack secret codes to escape before time runs out. This engaging, hands-on activity challenges students while making learning interactive and fun. ⭐ Perfect For: Distance learning, morning work, math review, math centers, test prep, sub plans, early finishers, substitutes, and homework. ⭐ Please Note: This activity
2nd - 5th
Arithmetic, Basic Operations, Math
CCSS
3.NBT.A.2
, 4.NBT.B.4
2 & 3 Digit Addition & Subtraction Escape Room | No Prep Digital Math Activity
Get ready for an exciting adventure! In this 2 & 3 Digit Addition & Subtraction With & Without Regrouping Escape Room Math Activity, students must answer questions about adding & subtracting 2 digit & 3 digit numbers and crack secret codes to escape before time runs out. This engaging, hands-on activity challenges students while making learning interactive and fun. ⭐ Perfect For: Distance learning, morning work, math review, math centers, test prep, sub plans, early finishers, substitutes
2nd - 3rd
Arithmetic, Basic Operations, Math
CCSS
2.NBT.B.5
, 2.NBT.B.7
, 3.NBT.A.2
3 Digit Addition & Subtraction With Without Regrouping Escape Room Math Activity
Get ready for an exciting adventure! In this 3 Digit Addition & Subtraction With & Without Regrouping Escape Room Math Activity, students must answer questions about adding & subtracting 3 digit numbers and crack secret codes to escape before time runs out. This engaging, hands-on activity challenges students while making learning interactive and fun. ⭐ Perfect For: Distance learning, morning work, math review, math centers, test prep, sub plans, early finishers, substitutes, and homework.
2nd - 3rd
Arithmetic, Basic Operations, Math
CCSS
2.NBT.B.7
, 3.NBT.A.2
DIGITAL Crack the Code Multi-Digit Addition & Subtraction
Looking for a digital file for double digit addition and subtraction with regrouping? Here is the perfect activity for you. Students work to solve the problems then use the answers to solve a riddle. There is currently 7 sheets practice addition, subtraction, and mixed practice with 2 and 3 digits. More will be coming soon! Check the free sample here!
2nd - 3rd
Arithmetic, Math, Numbers
2 Digit Addition & Subtraction Without Regrouping Escape Room Math Activity Game
Get ready for an exciting adventure! In this 2 Digit Addition & Subtraction Without Regrouping Escape Room Math Activity, students must answer questions about adding & subtracting 2 digit numbers without regrouping and crack secret codes to escape before time runs out. This engaging, hands-on activity challenges students while making learning interactive and fun. ⭐ Perfect For: Distance learning, morning work, math review, math centers, test prep, sub plans, early finishers, substitutes, an
1st - 3rd
Arithmetic, Basic Operations, Math
CCSS
1.NBT.C.4
, 2.NBT.B.5
, 2.NBT.B.6
3 Digit Addition & Subtraction Without Regrouping Escape Room Math Activity Game
Get ready for an exciting adventure! In this 3 Digit Addition & Subtraction Without Regrouping Escape Room Math Activity, students must answer questions about adding & subtracting 3 digit numbers without regrouping and crack secret codes to escape before time runs out. This engaging, hands-on activity challenges students while making learning interactive and fun. ⭐ Perfect For: Distance learning, morning work, math review, math centers, test prep, sub plans, early finishers, substitutes, an
2nd - 3rd
Arithmetic, Basic Operations, Math
CCSS
2.NBT.B.7
, 3.NBT.A.2
Snowman Color-by-Code Addition with Regrouping
Make winter math fun with this Snowman Color-by-Code Addition with Regrouping worksheet! This no-prep activity helps students practice 2-digit addition with carrying while creating an adorable snowman picture they'll be excited to finish. Perfect for centers, morning work, early finishers, small groups, intervention, or a festive math lesson.
2nd - 3rd
Arithmetic, Basic Operations, Place Value
CCSS
2.NBT.B.5
Single Digit Addition & Subtraction Escape Room | No Prep Digital Math Activity
Get ready for an exciting adventure! In this Single Digit Addition & Subtraction Escape Room Math Activity, students must answer questions about adding & subtracting single digit numbers and crack secret codes to escape before time runs out. This engaging, hands-on activity challenges students while making learning interactive and fun. ⭐ Perfect For: Distance learning, morning work, math review, math centers, test prep, sub plans, early finishers, substitutes, and homework. ⭐ Please Note:
K - 2nd
Arithmetic, Basic Operations, Math
CCSS
1.OA.C.5
, 1.OA.C.6
, 1.OA.D.7
3 Digit Subtraction Without Regrouping Escape Room No Prep Digital Math Activity
Get ready for an exciting adventure! In this 3 Digit Subtraction Without Regrouping Escape Room Math Activity, students must answer questions about subtracting 3 digit numbers without regrouping and crack secret codes to escape before time runs out. This engaging, hands-on activity challenges students while making learning interactive and fun. ⭐ Perfect For: Distance learning, morning work, math review, math centers, test prep, sub plans, early finishers, substitutes, and homework. ⭐ Please
2nd - 3rd
Arithmetic, Basic Operations, Math
CCSS
2.NBT.B.7
, 3.NBT.A.2
2 Digit Addition With & Without Regrouping Escape Room Digital Math Activity
Get ready for an exciting adventure! In this 2 Digit Addition With & Without Regrouping Escape Room Math Activity, students must answer questions about adding 2 digit numbers and crack secret codes to escape before time runs out. This engaging, hands-on activity challenges students while making learning interactive and fun. ⭐ Perfect For: Distance learning, morning work, math review, math centers, test prep, sub plans, early finishers, substitutes, and homework. ⭐ Please Note: This activity
1st - 3rd
Arithmetic, Basic Operations, Math
CCSS
1.NBT.C.4
, 2.NBT.B.5
, 2.NBT.B.6
Showing 1-24 of 3,700+ results
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