Explain equivalence by manipulating units and reasoning about their size. Partitioning a Whole into Equal Parts Standard: Round two- and three-digit numbers to the nearest ten on the vertical number line. Rotate tape diagrams vertically. Draw rows and columns to determine the area of a rectangle, given an incomplete array. Video Lesson 7 , Lesson 8:

Reason about composing and decomposing polygons using tangrams. Optional Video Lesson Solving Word Problems Standard: Division as an Unknown Factor Problem Standard: Decompose once to subtract measurements including three-digit minuends with zeros in the tens or ones place.

Draw polygons with specified attributes to solve problems. Interpret the unknown in multiplication and division to model and solve problems.

Use the distributive property as a strategy to multiply and divide using units of 6 and 7. Partitioning a Whole into Equal Parts Standard: Express whole number fractions on the number line when the unit interval is 1. Explore and create unconventional representations of one-half.

Count by units of 7 to multiply and divide using number bonds to decompose. Solve two-step word problems involving all four operations and assess the reasonableness of answers. Develop estimation strategies by reasoning about the weight in kilograms of a series of familiar objects homesork establish mental benchmark measures. Estimate differences by rounding and apply to solve measurement word problems. We welcome your feedback, comments and questions about this site or page.

# Module 4 Lesson 18 Homework | Math | ShowMe

Round two- and three-digit numbers to the nearest ten on the vertical number line. Represent and identify fractional parts of different wholes. Place whole number fractions and unit fractions between whole numbers on the number line. Place any fraction on a number line with endpoints 0 and 1. Use rectangles to draw a robot with specified perimeter measurements, and reason about the different areas that may be produced.

Partition various wholes precisely into equal parts using a number line method. Rotate tape diagrams vertically. Problem Solving with Perimeter Standard: Interpret the unknown in multiplication and division to model and solve problems using units of 6 and 7. Compare and classify quadrilaterals. Express whole numbers as fractions and recognize equivalence with different units. Looking for video lessons that will help you in your Common Core Grade 3 math classwork or homework?

Use a line plot to record the number of rectangles constructed from a given number of unit squares. Relate multiplication to the array model.

## Common Core Grade 3 Math (Worksheets, Homework, Lesson Plans)

Build and write fractions greater than one whole using unit fractions. Specify and partition a whole into equal parts, identifying and counting unit fractions using concrete models. Please submit your feedback or enquiries via our Feedback page. Relate skip-counting by 5 on the clock and telling time to a continuous measurement model, the number line. Find areas by decomposing into rectangles or completing composite figures to form rectangles.

Relate side lengths with the number of tiles on a side.

Understand equal groups of as multiplication. Solve word problems involving area. Use the distributive property as a strategy to multiply and divide.

Analyze different rectangles and reason about their area. The Lesson Plans and Worksheets are divided into seven modules.