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NS. 1.5 – Use expanded form to represent numbers.  Define expanded form.  Define standard form.  Write numbers in expanded form.

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Presentation on theme: "NS. 1.5 – Use expanded form to represent numbers.  Define expanded form.  Define standard form.  Write numbers in expanded form."— Presentation transcript:

1 NS. 1.5 – Use expanded form to represent numbers.  Define expanded form.  Define standard form.  Write numbers in expanded form.

2 Place Value – the value of where a digit is in the number, such as ones, tens, hundreds. Standard Form – a way of writing numbers using digits. Expanded Form – pulling apart a number to show how much each digit represents. Hundreds Tens Ones 3,582

3 Thousands Hundreds Tens Ones

4 3, ,582 Thousands Hundreds Tens Ones 3,000

5 ,582 3, Thousands Hundreds Tens Ones

6 80 + 3,582 Thousands Hundreds Tens Ones 3,

7 2 3, , Thousands Hundreds Tens Ones

8 Steps for Writing Numbers in Expanded Form 1.Write the number 2.Write the number of blanks _____ + _____+_____+_____ 3.Write the value of each digit for each place. _____ + _____+_____+_____ 3, ,000 2

9 Step 1 – Write the number 347

10 Step 2 – Write the number of blanks. 347 __________ + __________ + __________

11 Step 3 – Write the value of each digit for each place 347 __________ + __________+ __________ Hundreds Tens Ones 7

12 Step 1 – Write the number 9,649

13 Step 2 – Write the number of blanks. ________ + ________+ ________ +_________ 9,649 ThousandsHundreds Tens Ones 9,

14 Step 1 – Write the number. Step 2 – Write the number of blanks. Step 3 – Write the value of each digit for each place. 437 __________ + __________+ __________

15 Step 1 – Write the number. Step 2 – Write the number of blanks. Step 3 – Write the value of each digit for each place. 781 __________ + __________+ __________

16 Step 1 – Write the number. Step 2 – Write the number of blanks. Step 3 – Write the value of each digit for each place. 6, 995 __________ + __________ + __________+ __________ 6,

17 Step 1 – Write the number. Step 2 – Write the number of blanks. Step 3 – Write the value of each digit for each place. 7,189 ________ + ________+ ________ +_________ 7,

18 Step 1 – Write the number. Step 2 – Write the number of blanks. Step 3 – Write the value of each digit for each place. 3,252 3, ________ + ________+ ________ +_________

19 Still the same 3 steps, but we have to add one more! Step 1 – Write the number. Step 2 – Write the number of blanks. Step 3 – Write the value of each digit for each place. Step 4 – If there is a 0, rewrite the number leaving the 0 out. What happens if you have a number with a 0 in it? 701

20 Step 1 – Write the number. Step 2 – Write the number of blanks. Step 3 – Write the value of each digit for each place. Step 4 – If there is a 0, rewrite the number leaving the 0 out. ________+ ________ +_________ ________ +_________

21 Step 1 – Write the number. Step 2 – Write the number of blanks. Step 3 – Write the value of each digit for each place. Step 4 – If there is a 0, rewrite the number leaving the 0 out ________+ ________ +_________ Your turn! ________+ ________

22 Step 1 – Write the number. Step 2 – Write the number of blanks. Step 3 – Write the value of each digit for each place. Step 4 – If there is a 0, rewrite the number leaving the 0 out. 8,093 8, ________+ ________ +_________+________ Your turn! 0 ________+ ________ +__________ 8,000903

23 Step 1 – Write the number. Step 2 – Write the number of blanks. Step 3 – Write the value of each digit for each place. Step 4 – If there is a 0, rewrite the number leaving the 0 out. 5,203 5, ________+ ________ +_________+__________ Your turn! 3 ________+ ________ +_________ 5,

24 Step 1 – Write the number. Step 2 – Write the number of blanks. Step 3 – Write the value of each digit for each place. Partner Practice Be careful!! There are four extra numbers that are meant to be tricky!

25 The expanded form of __________ is ___ + __ + __ +___.

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