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Expressions and equations - Coggle Diagram
Expressions and equations
Comparisons
Equal sign
Example
7 = I-7I
Definition
Equal sign means to be the same
inequalities
Example
27>8
Meaning
Inequalities is noticing the difference between two numbers
Expressions
Example
8+4
Meaning
Expressions are problems that have no equal sign like a statement
Terms
Like terms
Term in which the variable is the same
What are the characteristics of like terms?
exponats and variables
Combining like terms
What terms can we combine?
Like terms can be combined because the like terms are the same value
What terms can we NOT combine?
We can't combine non like terms because the values are unknown and different.
One step equations
What are they?
One step equations are when you only have to add, subtract, multiply or divide one in one equation
How do we model them?
Modelling one-step equations involves representing real-world situations using mathematical expressions with a single operation.
How do we use the model to solve one step equations?
I need to isolate the variable by following certain steps
How do we solve them?
Addition
Solving one-step addition equations involves isolating the variable by performing the inverse operation of addition.
Subtraction
Solving one-step subtraction equations involves isolating the variable by performing the inverse operation of subtraction