adding, subtracting, multiplying & dividing decimals

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Adding, Subtracting, Multiplying & Dividing Decimals

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Adding, Subtracting, Multiplying & Dividing Decimals

Copy the slide with a RED TITLE and a

YOUR NOTEBOOK SETUP

•DECIMALS (LEFT SIDE OF NOTEBOOK)

•TODAY’S DATE (RIGHT SIDE OF NOTEBOOK)

DO NOW (3 mins)PKB (Prior Knowledge Box)Topic: Decimals Misconceptions

Complete this side only. List anything that you know about the above topic.

STANDARD- 7N.S. 1.2

•Add, subtract, multiply, and divide decimals.

OBJECTIVE

•HUSKIES WILL BE ABLE TO ILLUSTRATE HOW TO _________________________________________________________________________________

Vocabulary

1)Digits- ___________2)Multiplication- _______3)Division- _______4)Decimal- A number written in _____________, using ___________; falls between two ____________.

Adding/ subtracting decimals1) ________ the decimals.

2) Add in _______.

3) Then ___________.

4) Drop _________ down.

Example #15.74 + 3.3

5 + 3.3

What would happen if we added 5 (a whole number) to 3.3?

Example #20.86 – 0.4967

Multiply decimals

1) Line up the ______. (more digits on top).

2) ________ the digits.

3) ________ the places.

4) ______ _____ decimal.

Example #37.34 x 4.333

What if 4.333 was negative?

7.34 x -4.333

Dividing decimals1) ________problem.

2) _______ number; move the decimal to the ____.

3) Move _____ number’s decimal over as ____ ____ as the outside number, then divide.

4) Bring decimal straight up.

Example #437.04 ÷ 0.8

What would happen if 0.8 became 8 (a whole number)?

37.04 ÷ 8

Prior Knowledge Box (PKB)

Topic: Decimals Misconceptions

What did you think you knew but you found out was a misconception? If you didn’t have any prior knowledge, what did you learn/ review today?

Station Overview (30 mins per station) •Collaborative- Decimal worksheets (Bring up for a check after page 1).

•Direct- White board Practice work with Ms. Ahumibe.

Direct station

•http://www.math-play.com/Decimals-Jeopardy/decimals-jeopardy.html

Decimals Exit Slip

NameDate

Period

Agenda

Homework- “What is the Title?” Worksheet Pg. B-65

Bring a white board marker

(DUE: P.1,3,5- Mondays and Thursday. P.2,4,6- Tuesdays and Fridays)