Make a move to the left! 29. 9 x 10 You can’t move me! I’m stuck you see! tensunitstenthshundreds 29. 9x10=299 Multiplying a Whole Number with a Decimal.

Slides:



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

EXAMPLE 1 Multiplying Decimals by Whole Numbers Find the product
Rounding Quotients SWBAT round decimal quotients to the nearest tenth, hundredth, and thousandth.
Decimal Division You must learn the rules. Dividing a decimal by a whole number 1.2 ÷ 2 Divisor = 2 Dividend = 1.2 Step 1: move the decimal in the dividend.
“I can find all the factors of a whole number.”
Fractions, Percents & Decimals
Investigation 2.2 Missing Factors
Addition Algorithms S. Matthews. Partial-Sums Method for Addition Add from left to right and column by column. The sum of each column is recorded on a.
2-8 Multiplying a Power of Ten by a Whole Number 4 10 = ___________________ = ___________________ 4 1,000 = ___________________ 4 10,000 = __________________.
Scientific Notation.
Scientific Notation Recognize and use scientific notation.
Percent to Fraction 1.Setup a fraction with 100 as denominator 2.Insert percent number as numerator 3. Common Factor of numerator and denominator 4.Divide.
Place Value from Millions to Thousandths
1 2 6 Formal Division How can we teach this for understanding?
Place Value and Multiplication
Today we will compute a given percent as a part of a whole number.
Fractions, Decimals, and Percent By: Jack M 1 _____ %
Decimals and Percents Goal: Change a percent to a decimal Multiply decimals.
Place Value and dividing by 10, 100, etc
Dividing Decimals by Whole Numbers
You must follow the steps!
Scientific Notation The basics and some math.. Take out your calculator.  Write these calculations and the answer in your notes:  12,922,341 /
Copyright©amberpasillas2010 Calculator Needed Today! For today’s lesson get a calculator!
Multiplication of Decimal Fractions STEPS : 1. Count the number of places BEHIND the decimals 2. Treat the problem like you are multiplying whole numbers.
Thousands to Thousandths Unit 3 Lesson 3. Line of Symmetry A line that divides a figure into two congruent parts. Decimal point.
1.3 Solving Systems by Substitution. Steps for Substitution 1.Solve for the “easiest” variable 2.Substitute this expression into the other equation 3.Solve.
Subtracting With Place Value. Place Value to Subtract ,000 How many ones make a ten?
Percent of a Number Lesson 8 – 1. Vocabulary ‘ of ’ means to multiply.
Percent DecimalFraction. Change Percent Into Fraction Write the numerator over one hundred and simplify it. Write 58% as a fraction. 58 ÷ 2 = ÷
Meet Mr Dancing Decimal You know that a decimal point separates a whole number from a decimal fraction of a number. Whole Number Fraction of 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.
Let’s remember 2 things. 1. Multiplying by 10,100,1000 Multiply by 10 Multiply by 100 Multiply by 1000 Add one 0 Add two 0’sAdd three 0’s since 10 has.
5th Grade Module 2 – Lesson 3
NOTE: This review doesn’t include the ratio, proportions and %....use the sample test and all your notes from class for this!
POWERS OF TEN.
Converting Fractions to Decimals. In order to understand how to convert fractions to decimals, you must first know: 1)What a fraction is. 2)What a decimal.
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.
Multiplication Multiplying by multiples of 10. Multiplying by 10 and 100: Count by each number 5 times. 5 x 1 =5 5 x 10 = 50 5 x 100 =500 5 x 1,000 =
Converting to Percents. Decimals to Percents Decimals to Percents When converting decimals to percents, first you need to multiply the decimal with one.
Decimal Song Come on learn this! Rules for Decimals (x2) People don't you know don’t you know it’s about time to learn the rules for decimals to have a.
Key idea: To be able to multiply a number by 10, 100 and 1000 WILF: Hi, I’m Wilf, pleased to meet you! WhatI’mLookingFor Children who can multiply by.
× ÷ by 10, 100 & 100 Read through the PowerPoints and answer any questions before clicking to the answer.
♣Multiplying Decimals♣
1. Multiply 2. Move the decimal
Percent of a Number.
Converting Percents to fractions
Round the answer to the nearest hundredth. Divide Click Here
Multiplying Decimals by Decimals
Way back in October Do you remember?
“I can find all the factors of a whole number.”
Multiplying & Dividing by Powers of Ten
Multiplying Decimals by Decimals
Multiplying by Powers of Ten
Percent II.
Key idea: To be able to multiply a number by 10, 100 and 1000 What I’m
“I can find all the factors of a whole number.”
Multiplying and Dividing by powers of ten
Multiplying decimal number by 10,100,1000
Multiplying and Dividing by powers of ten
“I can find all the factors of a whole number.”
Percent II.
Decimals Year 5 (age 9-10).
Decimals Year 5 (age 9-10).
Multiplying and Dividing by powers of ten
To be able to multiply a number by 10, 100 and 1000
“I can find all the factors of a whole number.”
When you multiply a number by ten, you just put on an extra zero.
Presentation transcript:

Make a move to the left! x 10 You can’t move me! I’m stuck you see! tensunitstenthshundreds 29. 9x10=299 Multiplying a Whole Number with a Decimal by Ten! So…..You don’t need this anymore. Now, we don’t say 299 point nothing for 299 do we? A. Gore

Make a move to the left! x 10 You can’t move me! I’m stuck you see! tensunitstenthshundreds 62. 7x10=627 Multiplying a Whole Number with a Decimal by Ten! So…..You don’t need this anymore. Now, we don’t say 627 point nothing for 627 do we? A. Gore

Multiplying a Whole Number with a Decimal by Ten! So what do we know? What happens to the whole number? What happens to the decimal? Let’s see what happens if it’s just a decimal we multiply by ten. A. Gore

Multiplying a Decimal by Ten! 0. 7 x 01 tenthsunits Make a move to the left! Remember…. You can’t move me! I’m stuck you see! Now, we don’t say 7 point nothing for 7 do we? So…..You don’t need this anymore x 01= 7 A. Gore

Multiplying a Decimal by Ten! We don’t say… No hundreds and 1 for 1 One point nothing for 1 You have a try… A. Gore or What would you say was the answer? 0.35 x 10 = ?