### 2: The student will use numbers and number relationships to solve a variety of problems.

#### 2.1: Number Sense

2.1.a: Compare and order positive and negative rational numbers.

2.1.b: Build and recognize models of perfect squares to find their square roots and estimate the square root of other numbers (e.g., the square root of 12 is between 3 and 4).

2.1.c: Demonstrate the concept of ratio and proportion with models (e.g., similar geometric shapes, scale models).

#### 2.2: Number Operations

2.2.a: Solve problems using ratios and proportions.

2.2.b: Solve percent application problems (e.g., discounts, tax, finding the missing value of percent/part/whole).

2.2.c: Simplify numerical expressions with integers, exponents, and parentheses using order of operations.

### 5: The student will use data analysis, probability, and statistics to interpret data in a variety of contexts.

#### 5.3: Compute the mean, median, mode, and range for data sets and understand how additional data or outliers in a set may affect the measures of central tendency.

Correlation last revised: 5/21/2018

This correlation lists the recommended Gizmos for this state's curriculum standards. Click any Gizmo title below for more information.