Unit 2:  Mathematical Strategies

Time Frame:  7 Weeks

 

 

Math > Grade 4 > Unit 2

 

Unit Description

Through this unit students will develop a clear sense of the processes of multiplication and division, and how they are related. Students will utilize estimation, mental arithmetic, number lines, graphs, appropriate models, manipulatives, calculators, and computers as they investigate problems involving whole numbers.

 

Enduring Understandings

·         Ideas can be expressed through numbers and symbols.

·         Patterns in mathematics help me solve problems.

·         Understanding the properties of numbers help me solve problems in the correct order.

 

Essential Questions

·         How can I express an idea through numbers and symbols?

·         How can using mathematical terms help me?

·         Why is it important to use patterns in problem solving?

·         How does order of operations affect the outcome of a problem?

GLEs: 3, 4, 10, 11, 13, 14, 15, 16, 17, 18, 19

 

Students will know…

·         Addition                   

·         Subtraction              

·         Distributive Property

·         Multiply                   

·         Divisor

·         Divide                    

·         Quotient

·         Sum                         

·         Fact Family

·         Difference                

·         Inverse Operations

·         Equal                       

·         Variable

·         Factor                      

·         Equation

·         Multiple                    

·         Solution

·         Product                    

·         Partial Products

·         Dividend                  

·         Divisible

·         Array                        

·         Remainder

·         Zero Property of Multiplication

·         Identity Property of Multiplication

·         Commutative Property of Multiplication

 

 

Students will be able to…

·       Use manipulatives to show when number is divisible

·       Recall basic multiplication and division facts through the 12’s

·       Solve multiplication and division

·       Interpret remainders in division problems

·       Multiply and divide 3 digits by 1 digit

·       Choose different strategies to solve multiplication and division problems

·       Solve real life problems including those with understood information

·       Write equations with variables

·       Write story problems to algebraic sentences

·       Use manipulative to explain multiplication

Assessments

·       Performance Task

·       Performance Task Rubric

·       Multiplication Rubric

·       Journal – Rubric

·       Every Day Counts - Test

·       Arrays Practice

·       Prime and Composite

·       Menu Math

 

 

·       PPT_Multiplication Facts 1

·       PPT_Multiplication Facts 2

·       PPT_Multiplication Vocabulary

·       PPT_Division Vocabulary

·       Division Puzzle (6A)

·       Division Puzzle (6A) – Key

·       Division Puzzle (6B)

·       Division Puzzle (6B) – Key

·       Division Game