Everyday Math Grade 4 – Lesson 5.2 Place Value in Decimals Copyright © 2011 Kelly Mott
Copyright © 2010 Kelly Mott Math Boxes Lesson 5.2 Page 117
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REVIEW Copyright © 2011 Kelly Mott
When multiplying with one zero, try this: 1. Circle the zero 2. Multiply the fact 3. Add the zero in Example: Multiply with 1 Zero Copyright © 2011 Kelly Mott 2 x 30 = ___
Let’s Practice a Few: Multiply with 1 Zero Copyright © 2011 Kelly Mott 30 x 3 =3 x 40 = 2 x 80 =90 x 5 = 7 x 10 =80 x 7 = 20 x 5 =6 x 30 =
When multiplying with two zeros, try this: 1. Circle the zeros 2. Multiply the fact 3. Add the 2 zeros in Example: Multiply with 1 Zero Copyright © 2011 Kelly Mott 20 x 30 = ___
Let’s Practice a Few: Multiply with 2 Zeros Copyright © 2011 Kelly Mott 40 x 30 =20 x 90 = 300 x 2 =40 x 50 = 90 x 10 =200 x 7 = 600 x 5 =8 x 500 =
Copyright © 2011 Kelly Mott Part 1: Place Value in Decimals
When we write numbers, the position or “place” of each number is important. Place Value Copyright © 2011 Kelly Mott
5 in the tenths place 3 in the ones place 7 in the hundredths place 2 in the tens place ____ ____. ____ ____ Write the Number 1 Copyright © 2011 Kelly Mott 8 in the tens place 2 in the hundredths place 9 in the ones place 7 in the tenths place ____ ____. ____ ____
2 in the tenths place 8 in the ones place 3 in the hundredths place 1 in the tens place ____ ____. ____ ____ Write the Number 2 Copyright © 2011 Kelly Mott 3 in the tens place 1 in the hundredths place 4 in the ones place 6 in the tenths place ____ ____. ____ ____
Copyright © 2011 Kelly Mott Part 2: Value of a Number
What is the value of the 6 in the numerals below: a __________________ b ___________________ Value of a Number 1 Copyright © 2011 Kelly Mott What is the value of the 6 in the numerals below: a __________________ b ___________________
What is the value of the 8 in the numerals below: a __________________ b ___________________ Value of a Number 2 Copyright © 2011 Kelly Mott What is the value of the 8 in the numerals below: a __________________ b ___________________
What is the value of the 4 in the numerals below: a __________________ b ___________________ Value of a Number 3 Copyright © 2011 Kelly Mott What is the value of the 4 in the numerals below: a __________________ b ___________________
Copyright © 2011 Kelly Mott Part 3: Ordering Decimals
Line up the numbers. Then put them in order. Cross out the numbers as you go. Now put them in order from least to greatest: _________ _________ ORDER: LEAST TO GREATEST 1 HTensOnesTenthsHundr edths..... Order these numbers: 1.62, 0.85, 1.09, 0.35 Copyright © 2011 Kelly Mott
Line up the numbers. Then put them in order. Cross out the numbers as you go. Now put them in order from least to greatest: _________ _________ ORDER: LEAST TO GREATEST 2 HTensOnesTent hs Hund redth s Thou sandt hs..... Order these numbers: 1.26, 1.068, 1.091, 0.35 Copyright © 2011 Kelly Mott
Part 4: Make the Smallest Number
Write the smallest number you can make with the following digits: ___ ___. ___ ___ ___ Make the Smallest 1 Copyright © 2011 Kelly Mott Write the smallest number you can make with the following digits: Write the smallest number you can make with the following digits: ___ ___. ___ ___ ___
Write the smallest number you can make with the following digits: ___ ___. ___ ___ ___ Make the Smallest 2 Copyright © 2011 Kelly Mott Write the smallest number you can make with the following digits: Write the smallest number you can make with the following digits: ___ ___. ___ ___ ___
Copyright © 2011 Kelly Mott Part 5: Make the Biggest Number
Write the biggest number you can make with the following digits: ___ ___. ___ ___ ___ Make the Biggest 1 Copyright © 2011 Kelly Mott Write the smallest number you can make with the following digits: Write the biggest number you can make with the following digits: ___ ___. ___ ___ ___
Write the biggest number you can make with the following digits: ___ ___. ___ ___ ___ Make the Biggest 2 Copyright © 2011 Kelly Mott Write the smallest number you can make with the following digits: Write the biggest number you can make with the following digits: ___ ___. ___ ___ ___
Copyright © 2011 Kelly Mott Part 5: Words to Numbers
3 and 27 hundredths Write the Decimal Copyright © 2011 Kelly Mott 735 thousandths
1 and 207 thousandths Write the Decimal Copyright © 2011 Kelly Mott 6 and 18 thousandths
3 and 2 thousandths Write the Decimal Copyright © 2011 Kelly Mott 7 and 8 hundredths
Copyright © 2010 Kelly Mott
Does this make sense? Copyright © 2010 Kelly Mott
HOMEWORK Page 116 Copyright © 2011 Kelly Mott