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Everyday Math Grade 4 – Lesson 5.2 Place Value in Decimals Copyright © 2011 Kelly Mott.

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Presentation on theme: "Everyday Math Grade 4 – Lesson 5.2 Place Value in Decimals Copyright © 2011 Kelly Mott."— Presentation transcript:

1 Everyday Math Grade 4 – Lesson 5.2 Place Value in Decimals Copyright © 2011 Kelly Mott

2 Copyright © 2010 Kelly Mott Math Boxes Lesson 5.2 Page 117

3 Copyright © 2010 Kelly Mott Math Box 1:

4 Copyright © 2010 Kelly Mott Math Box 2:

5 Copyright © 2010 Kelly Mott Math Box 3:

6 Copyright © 2010 Kelly Mott Math Box 4:

7 Copyright © 2010 Kelly Mott Math Box 5:

8 REVIEW Copyright © 2011 Kelly Mott

9 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 = ___

10 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 =

11 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 = ___

12 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 =

13 Copyright © 2011 Kelly Mott Part 1: Place Value in Decimals

14 When we write numbers, the position or “place” of each number is important. Place Value Copyright © 2011 Kelly Mott

15 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 ____ ____. ____ ____

16 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 ____ ____. ____ ____

17 Copyright © 2011 Kelly Mott Part 2: Value of a Number

18 What is the value of the 6 in the numerals below: a.27.60 __________________ b.62.05 ___________________ Value of a Number 1 Copyright © 2011 Kelly Mott What is the value of the 6 in the numerals below: a.0.361 __________________ b.2.056 ___________________

19 What is the value of the 8 in the numerals below: a.31.80 __________________ b.87.15 ___________________ Value of a Number 2 Copyright © 2011 Kelly Mott What is the value of the 8 in the numerals below: a.0.482 __________________ b.5.018 ___________________

20 What is the value of the 4 in the numerals below: a.98.40 __________________ b.40.78 ___________________ Value of a Number 3 Copyright © 2011 Kelly Mott What is the value of the 4 in the numerals below: a.0.042 __________________ b.7.504 ___________________

21 Copyright © 2011 Kelly Mott Part 3: Ordering Decimals

22 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

23 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

24 Part 4: Make the Smallest Number

25 Write the smallest number you can make with the following digits: 3 6 5 8 2 ___ ___. ___ ___ ___ Make the Smallest 1 Copyright © 2011 Kelly Mott Write the smallest number you can make with the following digits: 3 6 5 8 2 Write the smallest number you can make with the following digits: 9 2 1 7 3 ___ ___. ___ ___ ___

26 Write the smallest number you can make with the following digits: 5 2 8 7 1 ___ ___. ___ ___ ___ Make the Smallest 2 Copyright © 2011 Kelly Mott Write the smallest number you can make with the following digits: 3 6 5 8 2 Write the smallest number you can make with the following digits: 6 3 2 5 9 ___ ___. ___ ___ ___

27 Copyright © 2011 Kelly Mott Part 5: Make the Biggest Number

28 Write the biggest number you can make with the following digits: 3 6 5 8 2 ___ ___. ___ ___ ___ Make the Biggest 1 Copyright © 2011 Kelly Mott Write the smallest number you can make with the following digits: 3 6 5 8 2 Write the biggest number you can make with the following digits: 9 2 1 7 3 ___ ___. ___ ___ ___

29 Write the biggest number you can make with the following digits: 5 2 8 7 1 ___ ___. ___ ___ ___ Make the Biggest 2 Copyright © 2011 Kelly Mott Write the smallest number you can make with the following digits: 3 6 5 8 2 Write the biggest number you can make with the following digits: 6 3 2 5 9 ___ ___. ___ ___ ___

30 Copyright © 2011 Kelly Mott Part 5: Words to Numbers

31 3 and 27 hundredths Write the Decimal Copyright © 2011 Kelly Mott 735 thousandths

32 1 and 207 thousandths Write the Decimal Copyright © 2011 Kelly Mott 6 and 18 thousandths

33 3 and 2 thousandths Write the Decimal Copyright © 2011 Kelly Mott 7 and 8 hundredths

34 Copyright © 2010 Kelly Mott

35 Does this make sense? Copyright © 2010 Kelly Mott

36 HOMEWORK Page 116 Copyright © 2011 Kelly Mott

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