# 1.2 Problemas-historia de sumar y restar

## Unit Goals

• Students solve new types of story problems within 10 using the relationship between addition and subtraction. They develop an understanding of the meaning of the equal sign and connect story problems to equations.

### Section A Goals

• Solve Add To and Take From, Result Unknown and Add To, Change Unknown story problems.
• Understand the meaning of the equal sign.

### Section B Goals

• Solve Put Together/Take Apart problems with the unknown in different positions.
• Write equations to represent problems.

### Section C Goals

• Solve Compare, Difference Unknown problems.

### Section D Goals

• Apply understanding of the meaning of the equal sign to make sense of equations with a symbol for the unknown.
• Solve different types of story problems, limited to those learned in this unit.

### Format

#### Blackline Masters

For activities with important visual aids

pdfdocx (n/a)

#### Teacher Presentation Materials

Teacher presentation materials (with Spanish)

pdfdocx

#### Cumulative Practice Problems

All practice problems from the unit (with Spanish)

pdfdocx

Task statements for students to write on (with Spanish)

pdfdocx

#### Family Support Materials

Family Support Materials (with Spanish)

pdfdocx (n/a)