# Course Outline: Mathematics

**Operations and Algebraic Thinking**

### Skills:

- Addition and Subtraction within numbers 1-20
- Word Problems (decode language)
- Number Sense
- 1:1 Correspondence
- Writing Equations and Sentences

### Big Ideas:

Students will understand that there is a relationship between addition and subtraction. Students will also understand that drawings represent number amounts and how to use them as a strategy for decoding word problems. Students will understand that adding is combining sets of objects whereas subtraction is taking away objects from a set.

### Essential Questions:

How does counting relate to how we solve a problem? When do you use subtraction in your everyday life? When do you use addition in your everyday life?

**Numbers and Operations in Base Ten**

### Skills:

Place Value

Comparisons of value

Mental Math (finding the next tens number without counting, 10, 20, 30)

### Big Ideas:

Students will understand that any number in the ten’s place represents ten individual units. Students will be able to estimate using sound judgment.

### Essential Questions:

What does a million mean? How would you describe the relationship between the place values? How does place value help you solve addition and subtraction questions?

**Measurement and Data**

### Skills:

Measuring Accurately

Visually measure by comparison

Tell and write time

Represent and interpret data

### Big Ideas:

Students will understand that objects can be measured and what the number/unit representations are. Students will understand that you can estimate measurements by visually comparing the objects and using comprehended vocabulary (such as bigger, smaller, largest, weight). Students will understand that Students will understand that the larger hand on the clock corresponds to the hour and the smaller hand corresponds to the minute.

### Essential Questions:

What’s considered measurable? How do we use measurements in our everyday lives? Why are measurements important? Why do we need to know how to tell time?

**Geometry**

### Skills:

Shape Recognition and relating attributes

Distinguish 2 and 3-dimensional shapes

Portions of shapes and relating terms

### Big Ideas:

Students will understand that shapes are defined by their properties (closed and open) as well as side numbers. Students will understand that there is a difference and relationship between 2-dimensional and 3-dimensional shapes. Students will understand that shapes when divided relate to specific terms such as halves and fourths.

### Essential Questions:

Where do we see shapes in our everyday lives? How are shapes similar and how are they different? Why are shapes important?