| Chapter 3.0: Solving Equations |
| Two paper clips and two tacks balance three tacks on a scale. A paperclip weighs 1 gram. How much does each tack weigh? |
| |
| Using algebra we can find the weight of a tack. |
| If a paperclip weighs 1 gram, we can write this equation. By solving for t we find the weight of a tack. |
 |
| Determine if each statement is true or false for the value of x. |
| Choose True or False for each equation. If x=5 then, |
 |
| We can determine if each statement is true or false for the value of x by substituting the value of x in each equation. |
| Compare these answers with your mental math answers. |
 |
| Tell what was done to the first equation to get to the second equation. |
| Determine the operation and value: |
 |
| Compare your mental math answers with the answers given here. |
 |