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Curated OER
You Know the Answer: Math Riddle
Although the riddle is an outdated political reference, this math challenge is a good practice in operations and domain-specific vocabulary. Learners complete 18 problems, using multiplication, division, subtraction, and addition. Some...
Curated OER
Math Vocabulary Secret Decoder Worksheet
In this math vocabulary worksheet, students match the letters to other letters to solve the vocabulary words. Students complete 15 math vocabulary words.
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Flow Chart Secret Code: What Should You Call A Cow That Lives in Alaska?
In this math code worksheet, students solve 10 multi-step problems using all math operations. Students start with the given number and perform each step in a flow chart format. Students take their total answer and decode the secret message.
Balanced Assessment
Birthday Card
Add a twist to the practice of simplifying expressions. The task asks scholars to decode a mathematical puzzle using their knowledge of expressions. If they are able to write and simplify the expression, the mathematics behind the puzzle...
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A Secret Code
In this addition and subtraction worksheet, students solve for problems to complete the riddle about George Washington. Students solve 20 two digit problems of addition and subtraction with some regrouping necessary.
Computer Science Unplugged
Count the Dots – Binary Numbers
Did you know you can send a message using only zeroes and ones? This interactive resource presents an introduction to binary numbers. Through code cards, pupils learn to convert binary numbers to decimal numbers.
Curated OER
Goldentail's Rounding Railroad
In this number puzzle activity, students solve 24 equations in each of two sets of multiplication and division problems. They circle each answer and round them to the nearest whole number. They use the secret code that is shown in a box...
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Mystery Code
In this fractions secret code worksheet, learners solve 9 problems that require them to add and subtract using fractions. Students use their answers to decode a mystery message.
Curated OER
Multiplication Maze
In this multiplication maze instructional activity, students solve 6 multiplication numbers as they work their way through a maze gathering clues to decode a secret message.
Curated OER
Minnesota Muskrat's Worldwide Adventures
In this long division worksheet, 5th graders solve problems to decode a secret message. Students solve for 60 problems with some remainders and two digit quotients.