I can think of ways to solve some more complicated word problems.
Lesson 2: Reasoning about Contexts with Tape Diagrams (Part 1)
I can explain how a tape diagram represents parts of a situation and relationships between them.
I can use a tape diagram to find an unknown amount in a situation.
Lesson 3: Reasoning about Contexts with Tape Diagrams (Part 2)
I can match equations and tape diagrams that represent the same situation.
If I have an equation, I can draw a tape diagram that shows the same relationship.
Lesson 4: Reasoning about Equations and Tape Diagrams (Part 1)
I can draw a tape diagram to represent a situation where there is a known amount and several copies of an unknown amount and explain what the parts of the diagram represent.
I can find a solution to an equation by reasoning about a tape diagram or about what value would make the equation true.
Lesson 5: Reasoning about Equations and Tape Diagrams (Part 2)
I can draw a tape diagram to represent a situation where there is more than one copy of the same sum and explain what the parts of the diagram represent.
I can find a solution to an equation by reasoning about a tape diagram or about what value would make the equation true.
Lesson 6: Distinguishing between Two Types of Situations
I understand the similarities and differences between the two main types of equations we are studying in this unit.
When I have a situation or a tape diagram, I can represent it with an equation.
Lesson 7: Reasoning about Solving Equations (Part 1)
I can find an unknown weight on a hanger diagram and solve an equation that represents the diagram.
I can write an equation that describes the weights on a balanced hanger.
I can explain how a balanced hanger and an equation represent the same situation.
Lesson 8: Reasoning about Solving Equations (Part 2)
I can explain why some balanced hangers can be described by two different equations, one with parentheses and one without.
I can explain how a balanced hanger and an equation represent the same situation.
I can write an equation that describes the weights on a balanced hanger.
I can find an unknown weight on a hanger diagram and solve an equation that represents the diagram.
Lesson 9: Dealing with Negative Numbers
I can use the idea of doing the same to each side to solve equations that have negative numbers or solutions.
Lesson 10: Different Options for Solving One Equation
For an equation like $3(x+2)=15$, I can solve it in two different ways: by first dividing each side by 3, or by first rewriting $3(x+2)$ using the distributive property.
For equations with more than one way to solve, I can choose the easier way depending on the numbers in the equation.
Lesson 11: Using Equations to Solve Problems
I can solve story problems by drawing and reasoning about a tape diagram or by writing and solving an equation.
Lesson 12: Solving Problems about Percent Increase or Decrease
I can solve story problems about percent increase or decrease by drawing and reasoning about a tape diagram or by writing and solving an equation.
Lesson 13: Reintroducing Inequalities
I understand what it means for a number to make an inequality true.
I can explain what the symbols $\le$ and $\ge$ mean.
I can represent an inequality on a number line.
Lesson 14: Finding Solutions to Inequalities in Context
I can write an inequality to represent a situation.
I can describe the solutions to a inequality by solving a related equation and then reasoning about values that make the inequality true.
Lesson 15: Efficiently Solving Inequalities
I can solve inequalities by solving a related equation and then checking which values are solutions to the original inequality.
I can graph the solutions to an inequality on a number line.
Lesson 16: Interpreting Inequalities
If I have a situation and an inequality that represents it, I can explain what the parts of the inequality mean in the situation.
I can match an inequality to a situation it represents, solve it, and then explain what the solution means in the situation.
Lesson 17: Modeling with Inequalities
I can use what I know about inequalities to solve real-world problems.
Lesson 18: Subtraction in Equivalent Expressions
I can re-write subtraction as adding the opposite and then rearrange terms in an expression.
I can organize my work when I use the distributive property.
Lesson 19: Expanding and Factoring
I can organize my work when I use the distributive property.
I can use the distributive property to rewrite expressions with positive and negative numbers.
I understand that factoring and expanding are words used to describe using the distributive property to write equivalent expressions.
Lesson 20: Combining Like Terms (Part 1)
When possible, I can write an equivalent expression that has fewer terms.
I can figure out whether two expressions are equivalent to each other.
Lesson 21: Combining Like Terms (Part 2)
When possible, I can write an equivalent expression that has fewer terms.
I am aware of some common pitfalls when writing equivalent expressions, and I can avoid them.
Lesson 22: Combining Like Terms (Part 3)
Given an expression, I can use various strategies to write an equivalent expression.
When I look at an expression, I can notice if some parts have common factors and make the expression shorter by combining those parts.
