place value

Place Value

http://www.youtube.com/watch?v=aTkW40v5USY&feature=related

• 4.NBT.1 Recognize that in a multi-digit whole number, a digit in one place represents ten times what it represents in the place to its right. For example, recognize that 700 divided by 70 equals 10 by applying concepts of place value and division.

• 4.NBT.2 Read and write multi-digit whole numbers using base ten numerals, number names, and expanded form. Compare two multi-digit numbers based on meaning of the digits in each place, using <, >, and = symbols to record the results of comparisons.

I can recognize a multi-digit number in one place represents ten

times what it represents in the place to its right.

How does a digit’s position affect it’s value?

• http://www.youtube.com/watch?v=npx98CWJp9Y

• Activity: Base Ten Relationship– Place Value mat and base ten blocks– Math in Focus CD– What is the relationship (10 times)

Let’s Practice

• http://ca.ixl.com/math/grade-4/convert-between-place-values

Formative Assessment

– What is the relationship between 7 tens and 7 hundreds?

– What is ten tens?

HomeworkWB PG 1-2

I can identify place value to

Millions.

http://www.youtube.com/watch?v=qJJugG1bTf4

• Use the SMART identify place value activity to name every place value spot through millions.

Place Value to the Millions worksheet/arrow cards (if needed).

identify place value.notebook

Formative Assessment

On a Post-it – What digit is in the

ten thousands place in the following number:

1,365,098

I can read and write multi-

digit whole numbers using

base ten numerals.

SMART activity to learn to read and write numbers using Building and Reading Numbers activity.

Activity:Read numbers to students and have them read/write down numbers on white boards using the Power Point presentation to display numbers.

buildingandreading numbers.notebook

Formative Assessment

Listen to your teacher as she says a number and

then write the number on your post-it. Place post-it

on response grid.

I can read and write multi-digit whole numbers using number names/words.

I can read and write multi-digit whole numbers using expanded form.

http://www.youtube.com/watch?v=uBuofv6Bbn0

• Use identify value SMART activity to introduce expanded form.

• Use arrow cards to practice building numbers and take them apart to write in expanded form.

• Class discussion on the difference in place value and value. Place value is the name of the place and value is what the digit is actually worth.

identifyvalue.notebook

Which of the following is the correct way to write 23,908?

...

1 2 3 4 5

20% 20% 20%20%20%1. Two ten thousand, nine hundred eighty2. Twenty three thousand, nine hundred eight3. Twenty three thousand, nine hundred eighty4. Twenty three ten thousand, nine hundred

zero eight.

Centers Day

• You will rotate through the following Centers: – Double Trouble Folder Game– Place Value Number Battle– Number Word and Expanded Folder Game– Place Value Puzzle – Computer

Place Value Number Battle

Directions/Student Activities:

Players split a deck of cards and simultaneously flip over their top 3 cards to create a 3-digit number. Players may move the cards and

place in any position of the number they wish.

The highest number wins all six cards.

Formative Assessment:Which of the following is the

expanded form of 45,984?

1. 40,000 + 5,000 + 900 + 842. 40,000 + 5,000 + 90 + 80 + 43. 40,000 + 5,000 + 900 + 80 + 44. 45,000 + 900 + 80 + 4

Homework: Math in Focus pg. 6

I can compare two multi-digit numbers based on

the meanings of digit in each

place using symbols.

• SMART activity Pearsons Comparing Numbers

• Student workbook page on comparing numbers

1-5 Comparing Numbers.notebook

PearsonS_CompareWholeNumbers.notebook

• SMART activity on place value with dice

• . comparing dice.notebook

Activity

• Students will work in pairs to create numbers with playing cards trying to build the greatest number. Students will record their numbers and comparison symbols

Homework

• Math In focus pg.7-8

Which comparison symbol goes in the blank 54,987 ____55,870?

25%

25%25%

25%

1 2 3 4

1.<2.>3.=4.+

Formative Assessment: Compare the following numbers:

87, 098 ______8,798

1. >2. <3. =4. +

Compare 987,098 ___ 987, 980

1. <2. >3. +4. =

Compare 17, 983 ____ 71, 983

1. <2. >3. +4. =

I can use place value understanding to round multi-digit numbers to

any place.

http://www.youtube.com/watch?v=OVmYl3x85j4&feature=related

http://www.youtube.com/watch?v=3afU6JQG15I&feature=related

• SMART activity on rounding using a number line

• Create a number line with students as 1,000; 2,000; etc. and then give the rest of the class numbers and have them position themselves to the nearest thousand.

rounding with number line.notebook

• SMART activity Rounding Numbers

• Activity with partner: Playing cards to create 5 digit numbers, rounding to the nearest ten, hundred, thousand, and ten thousand.

rounding numbers.notebook

Round the following number to the nearest ten thousand: 76,098

1 2 3 4

25% 25%25%25%1. 70,0002. 80,0003. 76,0004. 77,000

Round the following number to the nearest hundred thousand: 939,098

1 2 3 4

25% 25%25%25%1. 900,0002. 940,0003. 1,000,0004. 930,000

Round to the nearest thousand: 453,985

1 2 3 4

25% 25%25%25%1. 500,0002. 450,0003. 453,0004. 454,000

Round 78,990 to the nearest hundred.

1 2 3 4

25% 25%25%25%1. 79,0002. 80,0003. 78,9004. 78,000

Round to the nearest thousand76,403

1 2 3 4

25% 25%25%25%1. 77,0002. 80,0003. 76,0004. 70,000

Front End Estimation

• Show Examples• http://www.youtube.com/watch?v=c4GSf5u8

0S4

Homework

• Math In focus workbook pg. 15-16

TEST TIME!