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- 4.OA.A.1Interpret a multiplication equation as a comparison, e.g., interpret 35 = 5 x 7 as a statement that 35 is 5 times as many as 7 and 7 times as many as 5. Represent verbal statements of multiplicative comparisons as multiplication equations.
- 4.OA.A.2Multiply or divide to solve word problems involving multiplicative comparison, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem, distinguishing multiplicative comparison from additive comparison.
- 4.OA.A.3Solve multistep word problems posed with whole numbers and having whole-number answers using the four operations, including problems in which remainders must be interpreted. Represent these problems using equations with a letter standing for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding.

Factor Pairs, Arrays, Patterns and Fun! Building factor pairs to 50

4th Grade Math

Â» Unit:

Concepts of Multiplication

Big Idea:A hands-on lesson where students learn how to create factor pairs, arrays, and find prime, square and composite numbers by discovery.

Multiplication Array: Part I Measuring It Out

5th Grade Math

Â» Unit:

Multiplication Madness

Big Idea:Measurement is the lowest scoring concept on national and state tests - fit it in everywhere!

Additive Compare Word Problems and Place Value Review

4th Grade Math

Â» Unit:

Place value

Big Idea:In this fun engaging lesson, students review place value concepts by working with partners an groups in fun creative card games.

Bracelet Wrap Up

4th Grade Math

Â» Unit:

Multiplication with Whole Numbers

Big Idea:Students practice multiplication skills within a context that is familiar to them.

A Quick Quiz: Writing about an Array

4th Grade Math

Â» Unit:

Concepts of Multiplication

Big Idea:A Show Me What You Know Quiz: Students show what they know about arrays through writing and explanation.

Ants, Ants, Ants! Using discovery to understand the meaning of division.

4th Grade Math

Â» Unit:

Division Unit

Big Idea:In this discovery lesson, pairs of students are given a sheet with thousands of ants on it. They will choose the best "tool" to figure out how to count all of the ants on the page.

Prime, Composite and Square Numbers

4th Grade Math

Â» Unit:

Concepts of Multiplication

Big Idea:Students learn how to think about whole numbers from 1-100 as being prime, composite or square numbers.

Make Much More!

4th Grade Math

Â» Unit:

Back To Understanding the Basics!

Big Idea:Students always focus on how much more someone else has gotten, In this lesson students will compose verbal statements of multiplicative comparisons as multiplication equations to help expand their reasoning skills.

How Many Times!

4th Grade Math

Â» Unit:

Back To Understanding the Basics!

Big Idea:In this lesson students will explore one-digit multiplication problems to interpret what number is being multiplied, and what number tells how many.

Count The Times

4th Grade Math

Â» Unit:

Back To Understanding the Basics!

Big Idea:Students are often confused when trying to relate multiplicative problems to real life situations. In this lesson, students will be given examples where they will apply multiplication problems.

Do You Know The Difference?

4th Grade Math

Â» Unit:

Back To Understanding the Basics!

Big Idea:In this lesson students will examine word problems to determine the difference between additive and multiplicative reasoning.

Division: Getting Ready to Test

4th Grade Math

Â» Unit:

Division Unit

Big Idea:Students complete differentiated worksheets that help them prepare for the upcoming division test.

Writing: Showing our Understanding of Entry Points & Place Value in Dividing

4th Grade Math

Â» Unit:

Division Unit

Big Idea:This lesson gets students to write using proper division vocabulary, explaining how they use place value to determine what quotients they choose as they divide using rectangular sections.

Testing Multiplication Concepts

4th Grade Math

Â» Unit:

Concepts of Multiplication

Big Idea:Students take their formal assessment on multiplication concepts.

Multiplication: x0, x1, x2

4th Grade Math

Â» Unit:

Multiplication Kick Off

Big Idea:After modeling multiplication facts for 0, 1, and 2 using unifix cubes and a number line, students will multiply multi-digit numbers by 0, 1, and 2.

4.OA.A.1

Interpret a multiplication equation as a comparison, e.g., interpret 35 = 5 x 7 as a statement that 35 is 5 times as many as 7 and 7 times as many as 5. Represent verbal statements of multiplicative comparisons as multiplication equations.

4.OA.A.2

Multiply or divide to solve word problems involving multiplicative comparison, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem, distinguishing multiplicative comparison from additive comparison.

4.OA.A.3

Solve multistep word problems posed with whole numbers and having whole-number answers using the four operations, including problems in which remainders must be interpreted. Represent these problems using equations with a letter standing for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding.