options: Add and subtract within 20.

Use the four operations with whole numbers to solve problems.

Write expressions in equivalent forms to solve problems.

Write and interpret numerical expressions.

Apply and extend previous understandings of arithmetic to algebraic expressions.

Generate and analyze patterns.

Use properties of operations to generate equivalent expressions.

Create equations that describe numbers or relationships

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

Interpret the structure of expressions.

Use polynomial identities to solve problems.

Solve equations and inequalities in one variable.

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

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

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

Represent and solve problems involving multiplication and division.

Rewrite rational expressions.

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

Analyze patterns and relationships.

Represent and solve problems involving addition and subtraction.

Work with radicals and integer exponents.

Understand the relationship between zeros and factors of polynomials.

Reason about and solve one-variable equations and inequalities.

Gain familiarity with factors and multiples.

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

Solve systems of equations.

Represent and solve equations and inequalities graphically.

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

Work with addition and subtraction equations.

Represent and analyze quantitative relationships between dependent and independent variables.

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

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

Multiply and divide within 100.

Perform arithmetic operations on polynomials.
problem_activity: Problem 1
Four expressions are shown in the chart below. For each one, write all the ways to read the expressions that you can think of.
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Problem 2
Two tape diagrams are shown below. The shading indicates subtraction.
[IMG]
Statements a–h below can be used to describe either Diagram 1 or Diagram 2. Match each statement to one of the diagrams.
a.   The difference of
$$4$$
and
$$m$$
b.   The difference of
$$m$$
and
$$4$$
c.
$$4$$
less than
$$m$$
d.
$$m$$
less than
$$4$$
e.
$$4$$
less
$$m$$
f.
$$m$$
less
$$4$$
g.   Subtract
$$4$$
from
$$m$$
h.   Subtract
$$m$$
from
$$4$$
Problem 3
For each verbal statement, write the algebraic expression it describes.
a.   The sum of
$$e$$
and
$$f$$
subtracted from
$$g$$
b.
$$g$$
less than the sum of
$$e$$
and
$$f$$
c.
$$g$$
more than twice
$$f$$


correct_option_index: 4