Multiplying Decimals #3.

Slides:

Advertisements

Similar presentations

Multiplying Decimals 1. Multiply 2. Move the decimal.

Advertisements

Percentage Multipliers

Multiplying Decimals Cornell Notes.

Multiplying Decimals. Multiplying Decimals Notes Multiply as usual, ignoring the decimal points. Count how many total digits are to the right of the decimal.

x two one three.

Write decimal as percent. Divide each side by 136. Substitute 51 for a and 136 for b. Write percent equation. Find a percent using the percent equation.

EXAMPLE 1 Finding a Sale Price You are shopping for a guitar and find one with an original price of $160. The store is offering a 30% discount on all guitars.

Let’s estimate when we multiply decimal fractions! This is one way to check our products.

Multiplying Decimals Lesson 1-7 From /

Multiply Decimals 1.Multiply as with whole numbers. 2.Count the total numbers in decimal place value for both factors 3.Place as many numbers of your FINAL.

You must follow the steps!

Multiplication of Decimal Fractions STEPS : 1. Count the number of places BEHIND the decimals 2. Treat the problem like you are multiplying whole numbers.

Computing with Decimals. Adding and Subtracting Decimals.

Lesson 4-7 Example Example 1 Find 4.32 × Multiply the factors, ignoring the decimal points for now. 432 × 6 = 2592.

Tool Check!. Multiply and Divide Decimals (B) Unit 6 Lesson 5.

Partial Products Multiplication Step by Step 742 X = Expand each number.

Dividing a Decimal by a Decimal. Dividing Whole Numbers 12 ÷ 2 = 120 ÷ 20 = 1200 ÷ 200 = ÷ 2000 = Multiply both 12 and 2 by 10 Multiply.

Knowing More About Decimals. Compatible Numbers Compatible numbers are numbers that are easy to compute mentally. Change your numbers to compatible numbers.

By: Brian Nghiem and Rony Godoy.  We use scientific notation to let us write really small numbers or really big numbers.  Also its an easier way to.

SCIENTIFIC NOTATION Expressing a quantity as: a number between 1 and 10 multiplied by 10 to the appropriate power.

SECONDARY ONE 6.1a Using Substitution to Solve a System.

Multiplying Decimals 6.NS.3 Fluently add, subtract, multiply and divide multi digit decimals using algorithms for each operation.

Name _____ 6_ Lesson 4 - Multiplying Dec.__ With Decimals < 1 FACT – When you multiply a whole number by a decimal < 1, the product is _______________.

Multiplying Decimals 12/7/2015. To Multiply: You do not align the decimals. Instead, place the number with more digits on top. Multiply Count the number.

Let’s COUNT In tenths

Least Common Multiple and Greatest Common Factor #5.

1. Multiply 2. Move the decimal

Volume of Rectangular Prisms

Numerical Expressions

Graph on the Coordinate Plane

Multiplying Decimals.

Volume of Triangular Prism

Area of Composite Figures

Percent of a Number #17.

Multiplying Fractions and Mixed Numbers

Multiplying Decimals by Decimals

Comparing and Ordering Fractions, Decimals and Percents

Ratios and Rates Problems

Multiplying Decimals 3-6 & 3-7.

Solving One-Step Inequalities

Surface Area of Rectangular Prisms

Multiplying Decimals Textbook page 120.

Percentages – Amounts, Increase and Decrease

Name_____ 6__ Lesson 3 – Multiplying Decimals Nov_

COUNTING IN BINARY Binary weightings 0 x x x x 8

Compare and Order Integers and Rational Numbers

Comparing and Ordering Fractions, Decimals and Percents

Powers and Exponents #23.

Multiply Decimals.

Learning Journey – Percentages

Multiplying Decimals TeacherTwins©2015.

Multiplying Decimals.

Multiplying & Dividing by Powers of Ten

Multiplying Decimals by Decimals

Multiplying Decimals 3-6 & 3-7.

Multiplying Decimals Lesson 13.2.

30 A 30 B 30 C 30 D 30 E 77 TOTALS ORIGINAL COUNT CURRENT COUNT

Objective: Today we will review what multiples are.

COUNTING IN BINARY Binary weightings 0 x x x x 8

Objective - To multiply decimals.

Percentage increase and decrease

5.4 Scientific Notation.

Scientific Notation EXPONENTS X10.

Multiplying Decimals Lesson 1-7.

-First number goes in box Dividing Decimals

Adding Decimals Subtracting Decimals Multiplying Decimals Cumulative

Multiplying Decimals Chapter 4.

Dividing Decimals #4.

Presentation transcript:

Multiplying Decimals #3

I DO (foldable)

I DO (foldable) 3.24 x 8.5 =27.54 Right justify your numbers Determine the number of decimal places (count the total amount of numbers behind the decimal) Multiply Place your decimal in the product according to the number of original decimal places

WE DO (notes)

ADV Multiply Decimals Road Trip Activity REG Multiply Decimals Walk YOU DO (classwork) ADV Multiply Decimals Road Trip Activity REG Multiply Decimals Walk Multiplying decimals example https://www.khanacademy.org/video/multiplying-decimals