The DeKalb County School System



The DeKalb County School System

The Department of Middle School Instruction

Standards-based Lesson Plan: ELT

Week 3 08/24/15 - 08/28/15

|Standards/Elements: Apply and extend previous understandings of operations with fractions to add, subtract, multiply and divide rational numbers. |

|Essential Question(s): |Enduring Understanding |

|What are negative numbers used for and why are they important? |Negative numbers are used to represent quantities less than zero, e.g. in temperature, scores in |

|Why is it useful for me to know the absolute value of a number? |games and sports, and a loss of income in business |

|What strategies are most useful in helping me develop algorithms for adding, subtracting, multiplying,|Absolute value is useful in ordering and graphing positive and negative numbers. |

|and dividing positive and negative numbers? |Computation with positive and negative numbers is often necessary to determine relationships |

|What properties and conventions do I need to understand in order to simplify and evaluate algebraic |between quantities. |

|expressions? |Models, diagrams, manipulatives and patterns are useful in developing and remembering algorithms |

| |for computing with positive and negative numbers. |

| |Properties of real numbers hold for all rational numbers. |

| |Positive and negative numbers are often used to solve problems in everyday life . |

|Instructional Board/Task Display: Standards, Essential Questions, Enduring Understandings, Vocabulary |

| Differentiate |

*Chunking the text

|*Marking the Text |*KWL Chart

|*PACA |*Questioning the Text |*Summarizing/

Paraphrasing/

Retelling

X |*Journal/

Quickwrite

|*Draw a Sketch

X

|*Debriefing

|*Group Presentation

X | |*Think-Pair-Share

X

|Cooperative Groups

X

|Manipulative

X

|Inquiry Learning

|Technology

|Graphing Calculators

|DOK

|Graphic Organizers

X

|Compare/

Contrast

X |Real-World

Connections

X | |

|Monday 08/17 |Tuesday 08/18 |Wednesday 08/19 |Thursday 08/20 |Friday 08/21 | |Opening

|Multiply and Divide fractions

|Add and subtract fractions

|Write the integer that matches the situation, e.g. Darius won a $100 prize at the math fair.

|Convert fractions to decimals and percents.

|Write the number sentence and evaluate:

On one week Jamie withdrew $100 from her account to invest in her friend’s business, then spent $20 on supplies, then received a payment of $200. How much did she have at the end of the week?

| | | | | | | | |Work Session

|Write the number sentence to match the situation. |Use absolute value to determine the distance. |What’s Missing? Complete the number sentence with the missing value,

e.g. 4 + ___ = -1 |Subtracting integers and finding the range above and below zero. (Finding the difference).

| | | | | | | | | |Closing

|

Mental math ball toss:

-3 +1, 4 + -1, 5-(-2) etc. |

Mental math ball toss: Absolute value of -3? 12? 3? Absolute value of 5-1? 1-5? |

Make up a situation for which your classmates must identify the integer. |Mental math ball toss: subtracting integers

|Share three things you know about integers.

| |

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