options: Apply and extend previous understandings of arithmetic to algebraic expressions.

Represent and analyze quantitative relationships between dependent and independent variables.

Represent and solve problems involving addition and subtraction.

Interpret the structure of expressions.

Understand the connections between proportional relationships, lines, and linear equations.

Understand properties of multiplication and the relationship between multiplication and division.

Create equations that describe numbers or relationships

Write expressions in equivalent forms to solve problems.

Write and interpret numerical expressions.

Solve systems of equations.

Understand addition as putting together and adding to, and understand subtraction as taking apart and taking from.

Understand the relationship between zeros and factors of polynomials.

Analyze patterns and relationships.

Use properties of operations to generate equivalent expressions.

Work with equal groups of objects to gain foundations for multiplication.

Analyze and solve linear equations and pairs of simultaneous linear equations.

Multiply and divide within 100.

Reason about and solve one-variable equations and inequalities.

Use polynomial identities to solve problems.

Represent and solve problems involving multiplication and division.

Solve real-life and mathematical problems using numerical and algebraic expressions and equations.

Add and subtract within 20.

Solve problems involving the four operations, and identify and explain patterns in arithmetic.

Work with radicals and integer exponents.

Generate and analyze patterns.

Rewrite rational expressions.

Understand solving equations as a process of reasoning and explain the reasoning.

Use the four operations with whole numbers to solve problems.

Gain familiarity with factors and multiples.

Perform arithmetic operations on polynomials.

Understand and apply properties of operations and the relationship between addition and subtraction.

Solve equations and inequalities in one variable.

Represent and solve equations and inequalities graphically.

Work with addition and subtraction equations.
problem_activity: Problem 1
a.   Split 18 counters equally into groups of two.
i. Write a multiplication equation to represent this situation.
ii. How many groups of counters do you have?
b.   How is this similar to Anchor Task #1 from Lesson 3? How is it different?
Problem 2
a.   Casey bought the following stickers. She wants to put 5 stickers in each goodie bag for her birthday party.
[IMG]
i. Write a multiplication equation to represent this problem.
ii. How many goodie bags did Casey fill with stickers?
b.    A grocery store puts 30 watermelons on display. They arrange them in rows of 10.
i. Write a multiplication equation to represent this problem.
ii. How many rows of watermelons are there?
Problem 3
a.   Draw a picture or write a story to represent the following multiplication situation.
___
$$\times \ 4 = 12$$
b.   Find the number that makes the equation true. Rewrite the equation with the solution.


correct_option_index: 19