Binary Code Challenge
930+ results
Filters
Grade
Subject
Format
Resource type
Standard
Theme
Language
Programs & methods
Supports
Subtraction to Twenty Worksheets includes crack the code, algorithms
Subtraction to 20 Worksheets – Crack the Code, Number Lines, Algorithms & More | Kindergarten–Grade 2No-Prep Printables for Building Early Subtraction FluencyThis set of 34 black-and-white, no-prep printable worksheets helps students practice subtraction within 20 using a variety of strategies, themes, and puzzles. Designed for learners who are developing the skill of counting back to subtract, these worksheets keep subtraction practice fun and engaging with visual supports, cut-and-paste activi
1st - 4th
Arithmetic, Basic Operations, Math
CCSS
1.OA.A.1
, 2.OA.B.2
, MP1
+1
Estimation & Number Sense: Estimation games and quick challenges
Support math reasoning and estimation through engaging activities. **Topics Included:** • Thank You • Checking the reasonableness of answers • Converting fractions and decimals mentally • Estimating distance using maps and scale • Estimating division • Estimating fractions of sets • Estimating products and quotients • Estimating speed and time • Estimating time and schedules • Estimation games and quick challenges • Estimation in art and design • Estimation in nature and the environment • Estim
3rd - 8th
Arithmetic, Basic Operations, Mental Math
Estimation in technology and coding Estimation Practice
Develop arithmetic fluency with targeted mental math practice. 📌 **Topics Included:** • Thank You • Converting fractions and decimals mentally • Estimating distance • Estimating fractions of sets • Estimating subtraction • Estimation games and quick challenges • Estimation in space and astronomy • Estimation in technology and coding • Estimation in time • Mental estimation in word problems • Mental math division strategies • Mental math with multiples and factors • Mixing rounding and compatibl
3rd - 8th
Arithmetic, Basic Operations, Mental Math
Decomposing numbers into prime factors — Grades 4–6 Math Worksheets
🧮 Build confidence working with factor pairs, prime classification, and multiplication patterns. 📌 **Topics Included:** • Challenge problems primes factors and multiples • Co prime numbers • Comparing factors and multiples • Composite numbers • Decomposing numbers into prime factors • Factor pairs • Factors in geometry area • Identifying prime numbers • Multiples in fractions finding common denominators • Multiples in measurement • Prime factorization in algebra • Prime number codes • Prime nu
4th - 6th
Arithmetic, Basic Operations, Numbers
Estimation in science and experiments - Mental Math Practice
Strengthen number sense with structured mental math activities. **Topics Included:** • Thank You • Estimating with large numbers • Estimating within reasonable ranges • Estimation games and challenges • Estimation in art and design • Estimation in data and graphs • Estimation in engineering and design • Estimation in geometry • Estimation in measurement conversions • Estimation in science and experiments • Estimation in sports and games • Estimation in technology and coding • Mental math in pat
3rd - 8th
Arithmetic, Basic Operations, Mental Math
Montessori Long Multiplication Task Cards: Flat Bead Frame Math Activity
This Montessori-inspired Flat/Golden Bead Frame Activity Set provides a structured approach to multiplication mastery. Aligned with Montessori math materials, this 50-card task set supports repetition, independence, and progressive challenge levels across five difficulty bands. What’s Included:50 Printable Multiplication Cards, divided into:• 10 cards with increasing single-digit multipliers• 10 cards with two-digit multipliers• 10 cards with three-digit multipliers• 10 cards with four-digit m
K - 4th
Arithmetic, Basic Operations
Texas STAAR Grade 4 Math Escape Room | Fun Test Prep & Problem-Solving Challenge
Texas STAAR Grade 4 Math Escape Room | Fun Test Prep & Problem-Solving ChallengeTransform math review into an exciting adventure with this engaging Texas STAAR Grade 4 Math Escape Room! Students must solve math problems, complete challenges, crack codes, and unlock clues to escape the room. This highly interactive activity helps students strengthen essential Grade 4 math skills while developing critical thinking, teamwork, and problem-solving abilities.Designed to support Texas Grade 4 math stan
4th
Arithmetic, Math Test Prep, Other (Math)
New York Grade 4 Math Escape Room | Interactive Review & Critical Thinking
New York Grade 4 Math Escape Room | Fun Test Prep & Problem-Solving ChallengeTransform math review into an exciting adventure with this engaging New York Grade 4 Math Escape Room! Students must solve math problems, crack secret codes, complete challenges, and unlock clues to successfully escape. This highly interactive activity helps students strengthen essential Grade 4 math skills while developing critical thinking, collaboration, and problem-solving abilities.Designed to reinforce key Grade 4
4th
Arithmetic, Math Test Prep, Other (Math)
Also included in: New York Grade 4 Math All-in-One Bundle | Learn, Practice, Assess & Play
Washington SBA Grade 4 Math Escape Room Adventure | Learn, Solve & Escape
Washington SBA Grade 4 Math Escape Room | Fun Test Prep & Problem-Solving ChallengeTransform math review into an exciting adventure with this engaging Washington SBA Grade 4 Math Escape Room! Students must solve math problems, crack secret codes, complete challenges, and unlock clues to successfully escape. This highly interactive activity helps students strengthen essential Grade 4 math skills while developing critical thinking, collaboration, and problem-solving abilities.Designed to support W
4th
Arithmetic, Math Test Prep, Other (Math)
Prime numbers in nature — Multiples, Factors, & Number Sense (Grades 4–6)
🧮 Strengthen student skills in finding factors, multiples, and identifying prime numbers. 📌 **Topics Included:** • Applications in calendar math • Co prime numbers • Divisibility rules • Factoring rectangular arrays • Finding all factors • Least common multiple lcm • Multiples in fractions finding common denominators • Multiples in times tables • Prime number codes • Prime number patterns • Prime numbers in nature • Puzzles factor challenges • Smallest odd multiple • Visual models for factors
4th - 6th
Arithmetic, Basic Operations, Numbers
Times Tables Treasure Island: Dragons - Pirate Math Adventure for Multiplication
Help your students master multiplication facts 0–10 with this engaging pirate-themed workbook! This 38-page printable PDF includes 25 multiplication activity pages plus matching answer keys—perfect for grades 3–5 math practice, homeschool, or enrichment. Students will: Practice multiplication facts 0–10 in fun, hands-on ways Solve puzzles, crack codes, complete mazes, and uncover hidden treasure Follow a pirate adventure story where each solved page unlocks the next step of the quest What’s
2nd - 5th
Arithmetic, Math Test Prep, Mental Math
Ultimate Math Problem Solving Bundle | 300+ Pages | 5-in-1 | Grades 3–5
Make math exciting with this premium-quality Math Problem Solving Bundle designed for students in Grades 3–5! This massive 300+ page printable workbook bundle includes 5 engaging math adventure themes that help students strengthen critical thinking, real-world problem solving, logical reasoning, and multi-step math skills in a fun and motivating way. Students become math detectives, shoppers, campers, explorers, and escape room puzzle solvers while practicing essential upper elementary math c
3rd - 5th
Arithmetic, Other (Math), Reading
Halloween Learning Bundle | ELA & Math Worksheets | Grades 1–3
This "Halloween Learning Fun!" bundle is designed to bring spooky excitement into the classroom and home. Packed with engaging activities, this comprehensive resource covers essential Math and English Language Arts (ELA) skills for students in Grades 1-3. What's Included in This 29-page Pack:Math Worksheets:Pumpkin Math (6 pages): Differentiated addition and subtraction worksheets to suit various skill levels.Addition Crossword (2 pages): A fun twist on math practice with crossword puzzles.M
1st - 3rd
Arithmetic, Creative Writing, ELA Test Prep
Multiplication Facts Practice Workbook | Space Adventure Math Activities | Grade
🚀 MISSION MULTIPLY – Multiplication Facts WorkbookSpace Adventure Edition | Grades 2–4Help students build multiplication fluency while having fun with this engaging space-themed workbook!Mission Multiply is a NO PREP, PRINT & GO math resource designed to strengthen multiplication skills through a variety of engaging activities. Students will practice multiplication facts, develop number sense, solve missing factor problems, crack secret codes, and apply their skills to real-world word problems.
2nd - 4th
Arithmetic, ELA Test Prep, Math Test Prep
Order Of Operations - Leveled / Differentiated Worksheets
This product consists of 6 differentiated worksheets: Level A (Challenging), Level B (Average), Level C (Lower)
3 Leveled "Code Word Puzzle" type worksheets and 3 Leveled "Find the Error" type worksheets. Both worksheets help to develop and assess student understanding of the order of operations.
Code Word Puzzle Worksheets:
Students' workout each problem, find their answer in the provided table, and then write the corresponding letter in the code word area. The result is a code word that
5th - 7th
Arithmetic, Math, Order of Operations
CCSS
5.OA.A.1
, 6.EE.A.1
, 6.EE.A.2
+1
Estimation in technology and coding - Mental Math Practice
Strengthen number sense with structured mental math activities. **Topics Included:** • Thank You • Advanced estimation in word problems • Compatible numbers in division • Converting fractions and decimals mentally • Division estimation strategies • Doubling and halving strategies • Doubling patterns and quick estimates • Estimating angles in geometry • Estimating distance • Estimating distance using maps and scale • Estimating division • Estimating fractions of sets • Estimating from statistica
3rd - 8th
Arithmetic, Basic Operations, Mental Math
Addition Worksheets - Riddles / Jokes / Code Crackers / Adding Fun Worksheets
Addition Worksheets - Riddles / Jokes / Code Crackers / Adding Fun Worksheets There are 16 worksheets + answer sheets. (32 Pages Total) They tackle various addition problems so can be feed to the students throughout the year! 2x Addition to up to 10 Code Breakers (6+3) 2x Teen Number addition (e.g. 10+3) 2x Add to Twenty (13+4) 2x Double Numbers (8+8) 2x Double Digit Plus Single Digit Addition (63+3) 2x Adding Doubles (20+30) 2x Adding to 100 No Regrouping (43+24) 2x Adding to 100 With Regroupi
K - 3rd
Arithmetic, Basic Operations, Math
CCSS
K.OA.A.3
, K.OA.A.4
Addition challenge add three numbers 1 - Multi Number Addition
Perfect for reinforcing advanced addition skills in Grade 3 math. **Topics Included:** • Thank You • Addition challenge add three numbers 1 • Addition challenge add three numbers 3 • Addition reasoning add three numbers 17 • Addition reasoning add three numbers 28 • Addition reasoning add three numbers 34 • Compare the sums add three numbers 12 • Compare the sums add three numbers 38 • Complete the equation add three numbers 14 • Complete the equation add three numbers 20 • Complete the equatio
3rd
Arithmetic, Basic Operations, Mental Math
Building Addition Fluency: Addition challenge add four numbers 11
Support developing math fluency with engaging exercises focused on adding multiple numbers. 📌 **Topics Included:** • Thank You • Addition challenge add four numbers 11 • Addition challenge add four numbers 39 • Addition practice add four numbers 17 • Addition practice add four numbers 40 • Addition practice add four numbers 45 • Addition reasoning add four numbers 34 • Addition reasoning add four numbers 6 • Compare the sums add four numbers 1 • Compare the sums add four numbers 18 • Compare th
3rd
Arithmetic, Basic Operations, Mental Math
Mastering Mental Math: Estimation games and challenges
Perfect for reinforcing estimation and mental math strategies across Grades 3–8. **Topics Included:** • Thank You • Combining front end and compatible estimation • Compatible numbers in division • Estimating distance • Estimating lengths areas and perimeters • Estimating surface area and volume • Estimation games and challenges • Estimation when using measurement tools • Mental estimation in word problems • Mental math in everyday life • Mental math multiplication tricks • Mental math with deci
3rd - 8th
Arithmetic, Basic Operations, Mental Math
Three Times Tables Worksheets - Multiplication Printables, Crack the code, Maze
Three Times Tables Worksheets - Multiplication Printables, Crack the code, Maze This is a set of 18 non prep printables which are designed to help students learn and practice the three times tables in a fun and varied way. I have made a 9 page FREE version of the 10 times tables to give you an idea of the style and variety of the worksheets. See below for specific worksheet details: Fill in the gaps - Skip count in threes to fill in the gapsRepeated addition - Look at the pictures to fill in t
2nd - 5th
Arithmetic, Basic Operations, Math
CCSS
3.OA.C.7
, MP7
, MP8
Multiplication Color by Code | Differentiated | 5 Themes | Holiday BUNDLE
Streamline your multiplication instruction with this Holiday Multiplication Color by Code Worksheet Bundle, designed to provide consistent, skill-focused practice while keeping students engaged throughout the school year. Students practice multiplication through structured color-by-code activities across five holiday themes— Christmas, Valentine’s Day, Easter, Halloween, and Thanksgiving—making it easy to incorporate seasonal content without sacrificing instructional rigor. Select worksheets al
2nd - 4th
Arithmetic, Basic Operations, Mental Math
Addition challenge double digit addition no regrouping 5 - Mental Math Addition
Develop strong arithmetic foundations through targeted double-digit addition practice. 📌 **Topics Included:** • Thank You • Addition challenge double digit addition no regrouping 5 • Addition practice double digit addition no regrouping 25 • Addition practice double digit addition no regrouping 32 • Addition reasoning double digit addition no regrouping 1 • Compare the sums double digit addition no regrouping 18 • Complete the equation double digit addition no regrouping 12 • Complete the equat
3rd
Arithmetic, Basic Operations, Mental Math
Addition challenge add three numbers 1 - Arithmetic Practice
Strengthen addition understanding through consistent multi-number practice. **Topics Included:** • Thank You • Addition challenge add three numbers 1 • Addition challenge add three numbers 15 • Addition practice add three numbers 21 • Compare the sums add three numbers 13 • Compare the sums add three numbers 38 • Find the sum add three numbers 25 • Find the sum add three numbers 27 • Missing number addition add three numbers 10 • True or false addition add three numbers 49 • True or false addit
3rd
Arithmetic, Basic Operations, Mental Math
Showing 1-24 of 930+ results
TPT is the largest marketplace for PreK-12 resources, powered by a community of educators.
IXL family of brands