Unit 2 Project
Shayna Willis
Created on October 17, 2024
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Transcript
Unit 2 Project
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During this project, you will be using different symbols and images to represent numbers... but still find their values!
Variables
Rules
Practice
summary
Reasoning Using the Basic Rules of Math
- Because any number minus itself is always zero, you know the bumblebee must represent the number zero, 0.
- Even though you know the bumblebee is 0, there is not enough information to determine what value the elephant is representing.
Variables Are Unknown Values
The variable represents an unknown value. You can find the value of the variable using mathematically correct steps and logic.
variables
Changing What Variables Look Like
For example, if an unknown value is being represented by a butterfly, and "2 times a butterfly equals 6," the butterfly must represent 3 just like x.
Notice Addition, Subtraction, Multiplication, Division, Exponents, and Inequalities
rules
Integers Only between 0 and 9
- Only integers between 0 and 9 will be represented by new symbols.
- No symbol can represent a number greater than or equal to 10.
- No symbol can represent a negative number.
- No symbol will represent a fraction or decimal.
Unique Values
All symbols will have unique values. For example, if you find that a turtle represents the number 4, then no other image in the problem will also represent the number 4.
Mathematical Operations
- Start with what you know
- This may not always be the first equation.
- Use one piece of information to get the next piece of information.
continue
Practice
Now examine the third equation.This equation lets you determine the other values.
- Because the clock is 1, using 1 for the clock in the third equation, 1 + 1 = 2 you know the panda bear is 2!
- Using the known value for the panda bear in the second equation, you know 2+2=4; therefore the phone is now known to be 4.
- The first equation showed the panda bear could be 0 or the clock could be 1.
- The second equation proves the panda bear is not 0 because the panda bear added to itself changes its value!
- This equation also tells you the phone is not 0 because any number plus itself, other than 0, is greater than 0.
- Therefore, the clock is 1, the panda bear cannot be 0, and the phone cannot be 0.
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