Solve word problems in varied contexts using a letter to represent the unknown. Study commutativity to find known facts of 6, 7, 8, and 9. Compare fractions with the same numerator pictorially. Find the area of a rectangle through multiplication of the side lengths. Video Lesson 20 , Lesson Concepts of Area Measurement Standard: Interpret area models to form rectangular arrays.

Compare fractions with the same numerator pictorially. Compare and classify quadrilaterals. Draw polygons with specified attributes to solve problems. Solve two-step word problems involving multiplying single-digit factors and multiples of Use the distributive property as a strategy to multiply and divide. Solve two-step word problems involving multiplication and division and assess the reasonableness of answers. Develop estimation strategies by reasoning about the weight in kilograms of a series of familiar objects to establish mental benchmark measures.

Video Lesson 15Lesson Video Lesson 7Lesson 8: Understand the function of parentheses and apply to hmoework problems. Decompose whole number fractions greater than 1 using whole number equivalence with various models.

Problem Solving with Perimeter Standard: Try the given examples, or type in your own problem and check your answer with the step-by-step explanations. Add measurements using the standard algorithm to compose larger units once. Division as an Unknown Factor Problem Standard: Find related multiplication facts by adding and subtracting equal groups in array models.

Solve one-step word problems involving metric weights within and estimate .31 reason about solutions. Partitioning a Whole into Equal Parts Standard: Explore and create unconventional representations of one-half.

Compare unit fractions by reasoning about their size using fraction strips. Relate skip-counting by 5 on the clock and telling time lessoon a continuous measurement model, the number line.

# Module 4 Lesson 18 Homework | Math | ShowMe

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.

Skip-count objects in homewodk to build fluency with multiplication facts using units of 4. Apply knowledge of area to determine areas of rooms in a given floor plan. Interpret the unknown in division using the array model.

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

Interpret area models matg form rectangular arrays. Reason about and explain arithmetic patterns using units of 0 and 1 as they relate to multiplication and division. Solve mixed word problems involving all four operations with grams, kilograms, liters, and milliliters given in the same units.

Build and decompose a kilogram to reason about the size and weight of 1 kilogram, grams, 10 grams, and 1 gram.

Interpret the unknown in multiplication and division to model and solve problems. Build non-unit fractions less than one whole from unit fractions. Count by units of 6 to multiply and divide using number bonds to decompose. Recognize and show that equivalent fractions refer to the same point on the number line.

Build and write fractions greater than one whole using unit fractions. Model tiling with centimeter and inch unit squares as a strategy to measure honework.

Optional Video Lesson Understand the meaning of the unknown as the number of groups in division. Identify and represent shaded and non-shaded parts of one whole as fractions. Use the distributive property as a strategy to multiply and divide using units of 6 and 7.

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?

Compare fractions and whole numbers on the number line by reasoning about their distance from 0.

Solve word problems involving time intervals within 1 hour by counting backward and forward using the number line and clock. Specify euerka partition a whole into equal parts, identifying and counting unit fractions using concrete models.