3.1.B: Round whole numbers through 10,000 to the nearest ten, hundred, and thousand.

3.1.D: Estimate sums and differences to approximate solutions to problems and determine reasonableness of answers.

3.1.E: Solve single- and multi-step word problems involving addition and subtraction of whole numbers and verify the solutions.

#### 3.2: Concepts of multiplication and division

3.2.C: Determine products, quotients, and missing factors using the inverse relationship between multiplication and division.

3.2.G: Multiply any number from 11 through 19 by a single-digit number using the distributive property and place value concepts.

3.2.H: Solve single- and multi-step word problems involving multiplication and division and verify the solutions.

#### 3.3: Fraction concepts

3.3.A: Represent fractions that have denominators of 2, 3, 4, 5, 6, 8, 9, 10, and 12 as parts of a whole, parts of a set, and points on the number line.

3.3.B: Compare and order fractions that have denominators of 2, 3, 4, 5, 6, 8, 9, 10, and 12.

3.3.C: Represent and identify equivalent fractions with denominators of 2, 3, 4, 5, 6, 8, 9, 10, and 12.

#### 3.4: Geometry

3.4.B: Identify and sketch right angles.

3.4.C: Identify and describe special types of quadrilaterals.

3.4.D: Measure and calculate perimeters of quadrilaterals.