Identify and use arithmetic patterns to multiply. Solve two-step word problems involving multiplication and division and assess the reasonableness of answers. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations. Count by fives and ones on the number line as a strategy to tell time to the nearest minute on the clock. Solve two-step word problems involving multiplying single-digit factors and multiples of

Explain equivalence by manipulating units and reasoning about their size. Video Lesson 15 , Lesson Multiplication and Division Using Units of 4 Standard: Place any fraction on a number line with endpoints 0 and 1. Measure side lengths in whole number units to determine the perimeter of polygons.

Specify the corresponding whole when presented with one equal part. Identify a shaded fractional part in different ways depending on the designation of the whole. Demonstrate the commutativity of multiplication and practice related facts by skip-counting objects in array models. Multiplication and Division Using Units of 9 Standard: Place whole number fractions and unit fractions between whole numbers on the number line.

Add measurements using the standard algorithm to compose larger units once. Estimate sums and differences of measurements by rounding, and then solve mixed word problems.

# Module 4 Lesson 18 Homework | Math | ShowMe

Reason about composing and decomposing polygons using tangrams. Solve two-step word problems involving lessoon and division and assess the reasonableness of answers. Understand the meaning of the unknown as the number of groups in division. Represent and identify fractional parts of different wholes.

Solve word problems to determine perimeter with given side lengths.

Model the distributive property with arrays to decompose units as a strategy to multiply. Eureeka knowledge of area to determine areas of rooms in a given floor plan. Reason about composing and decomposing polygons using tetrominoes.

Decompose quadrilaterals to understand perimeter as the boundary of a shape. Interpret the unknown in multiplication and division to model and solve problems.

Explore perimeter as an attribute of plane figures and solve problems.

Use a line plot to record the number of rectangles constructed from a given number of unit squares. Compare fractions with the same numerator pictorially. Count by units of 7 to multiply and divide using number bonds to decompose.

Relate side lengths with the number of tiles on a side. Share and critique peer strategies for eurska solving. Analyze different rectangles and reason about their area.

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

Explore time as a continuous measurement using a stopwatch. Count by units of 6 to multiply and divide using number bonds to decompose. Video Homswork 7Lesson 8: Foundations for Understanding Area Standard: Build and write fractions greater than one whole using unit fractions.

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. Add measurements using the standard algorithm to compose larger units twice. Mahh two-step word problems involving all four operations and assess the eurwka of solutions. Recognize and show that equivalent fractions have the same size, though not necessarily the same shape.

Use a line plot to record the number of rectangles constructed in Lessons 20 and Comparison, Order, and Size of Fractions Standard: Use all four operations to solve problems involving perimeter and missing measurements.