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

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## NS. 1.5 – Use expanded form to represent numbers.

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**NS. 1.5 – Use expanded form to represent numbers.**• Define expanded form. • Define standard form. • Write numbers in expanded form.**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**Thousands Hundreds Tens Ones**3,582 3,000 + 3,000**Thousands Hundreds Tens Ones**3,582 500+ 3,000 500**Thousands Hundreds Tens Ones**3,582 80 + 80 3,000 500**3,582**Thousands Hundreds Tens Ones 2 80 500 2 3,000**Steps for Writing Numbers in Expanded Form**• Write the number • Write the number of blanks • _____ + _____+_____+_____ • Write the value of each digit for each place. • _____ + _____+_____+_____ 3, 522 500 20 2 3,000**Step 2 – Write the number of blanks.**347 __________ + __________ + __________**Step 3 – Write the value of each digit for each place**347 Hundreds Tens Ones 300 40 7 __________ + __________+ __________**Step 2 – Write the number of blanks.**9,649 Thousands Hundreds Tens Ones 600 40 9 9,000 ________ + ________+ ________ +_________**Step 1 – Write the number.**Step 2 – Write the number of blanks. Step 3 – Write the value of each digit for each place. 437 30 400 7 __________ + __________+ __________**Step 1 – Write the number.**Step 2 – Write the number of blanks. Step 3 – Write the value of each digit for each place. 781 80 700 1 __________ + __________+ __________**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 90 6,000 900 5 __________ + __________ + __________+ __________**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 7,000 100 80 9 ________ + ________+ ________ +_________**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 3,000 200 5 2 ________ + ________+ ________ +_________**What happens if you have a number with a 0 in it?**701 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.**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. 701 ________+ ________ +_________ 1 700 0 ________+ ________ +_________ 1 700 ________ +_________**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! 620 20 600 0 ________+ ________ +_________ 20 600 ________+ ________**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! 8,093 8,000 0 90 3 ________+ ________ +_________+________ 8,000 90 3 ________+ ________ +__________**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! 5,203 5,000 200 0 3 ________+ ________ +_________+__________ 200 3 5,000 ________+ ________ +_________**Partner Practice**Step 1 – Write the number. Step 2 – Write the number of blanks. Step 3 – Write the value of each digit for each place. Be careful!! There are four extra numbers that are meant to be tricky!**The expanded form of**__________ is ___ + __ + __ +___.

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