1-3 Multiplication of Decimals Steps: 1.) Write the numbers vertically but do not line up the decimal points. 2.) Multiply as if there were no decimals.

Slides:



Advertisements
Similar presentations
Multiplying Decimals 1. Multiply 2. Move the decimal.
Advertisements

Multiplying by 10, 100 or 1000 x 100 = x 100 = x 100 = x 100 = x 100 = x 100 = C.
Which states have a sales tax rate closest to the Texas sales tax rate?
Solve the following problem without using a calculator. In the past seven years, the MSA Fundraising Committee has earned $ ; $ ; $ ;
Scientific Notation Scientific Notation is a compact way of writing very large or very small numbers.
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.
I CAN find the discount and sale price of an item and find the tax and total price of an item after taxes.
Business Math Assignment Press F5 to begin to playing this slide show.
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.
(9 + 8) + 7 = 9 + (8 + 7) The Associative Property of Addition = 12 The Identity Property of Addition = The Commutative Property of.
Using Percents to Solve Problems
Today we will multiply using decimals.
2.5 Application of Percents. Key words: –“of” means “multiply” –“is” means “= ” –“what number?” means “x” To convert a decimal number to %, move the decimal.
2-8 Percents Lesson Presentation Lesson Quiz Holt Algebra 1.
Long Multiplication! Foil Method! Example:
Place Value and Multiplication
Multiplying Decimals Lesson 1-7 From /
Decimal Review. Adding decimals Rules Line up the decimal points Whole numbers have a decimal point at.
You must follow the steps!
Multiply and divide decimals..  Lars gave the cashier $20 for an item that cost $8.30. How much change should he receive?  It rained 1.37 inches yesterday.
Calculating Tax, Tips, and Commission
Chapter 4: Multiply Decimals.
Multiplication of Decimal Fractions STEPS : 1. Count the number of places BEHIND the decimals 2. Treat the problem like you are multiplying whole numbers.
Lesson 4-7 Example Example 1 Find 4.32 × Multiply the factors, ignoring the decimal points for now. 432 × 6 = 2592.
Write Equivalent Fractions
Decimals. Addition & Subtraction Example Find: Solution: = = =18.32 – =
PERCENT INCREASES. NS 1.4 Calculate given percentages of quantities and solve problems involving discounts at sales, interests earned, and tips. Today’s.
Warm Up 2345 x x x x
BELL RINGER Complete the following problems on your own paper 1) ) – ) 21 – ) – 0.9.
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.
Gross Income the total amount of money one earns Ex. $6.15 an hour Multiplied by 40 hrs. per week_______________ Multiplied by 52 weeks per year________________.
MULTIPLYING DECIMALS. NS 1.4 Calculate given percentages of quantities and solve problems involving discounts at sales, interests earned, and tips. Today’s.
Multiplication of Decimal Fractions STEPS : 1. Count the number of places BEHIND the decimals 2. Treat the problem like you are multiplying whole 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.
Multiplying Decimals 6.NS.3 Fluently add, subtract, multiply and divide multi digit decimals using algorithms for each operation.
Budget Notes Gross Income: the total amount of money one earns Ex. $7.25 an hour Multiplied by 40 hrs. per week______________ Multiplied by 52 weeks per.
Multiply By 2-Digit Numbers (B) Unit 2 Lesson 6. Objectives:
♣Multiplying Decimals♣
1. Multiply 2. Move the decimal
Multiplying Decimals.
Multiplying Decimals by Decimals
Multiplying Decimals
Daily Warm-Up (I do) ALCOS # 3 5th grade
Fractions, Decimals, and Percents
Multiplying Decimals Lesson 1-7. To Multiply: You do not line up the factors by the decimal. Instead, place the number with more digits on top. Line up.
Name_____ 6__ Lesson 3 – Multiplying Decimals Nov_
Multiply Decimals.
Multiplying Decimals.
Multiplying Decimals TeacherTwins©2015.
Multiplying Decimals.
Multiplying & Dividing by Powers of Ten
Multiplying Decimals & Properties of Multiplication
Multiplying Decimals by Decimals
Multiplying Decimals Lesson 13.2.
Multiplying Decimals Lesson 1-7.
Objective - To multiply decimals.
Percents and Decimals Objective:
Review Mathematics Skills
Multiplying Decimals.
Objective: Students will be able to multiply decimal numbers.
Multiplying Decimals by Decimals
Multiplying Decimals Lesson 1-7.
Multiplying Decimals.
Multiplying and Dividing Decimals by 10, 100, 1000
Presentation transcript:

1-3 Multiplication of Decimals Steps: 1.) Write the numbers vertically but do not line up the decimal points. 2.) Multiply as if there were no decimals. 3.) Count the number of digits to the right of the decimal point in both numbers. Move the decimal point to the left that many number of places in your answer. Ex 1.)

2.) After multiplying, how many places do we move the decimal point to the left? 3.) )

5.) (0.18)(0.12) 6.) 15( ) 7.) In Largeville the sales tax is 0.08 of the price. How much sales tax do you pay on a $50 Batman costume?

Demonstrate Understanding: 1.) 16(0.58) 2.) ) Jason earns $6.50 per hour. If he works for 7.5 hours, how much money would he make?