Rounding to the Nearest Ten
46 rounded to the nearest ten is...
50
134 rounded to the nearest hundred is...
100
What number is:
5 thosands, 3 hundreds, 2 ones
5,302
What property is modeled below?
3 + (4 + 2) = (3 + 4) + 2
Associative Property of Addition
The sum of 6 + 4 will be odd or even?
Why?
Even,
Because both addends are even
252 rounded to the nearest ten is...
250
163 rounded to the nearest hundred is...
200
Write 6,478 in expanded form
6,000 + 400 + 70 + 8
What property is modeled below?
3 + 4 = 4 + 3
Commutative Property of Addition
Jim says 3 + 1 will have an odd sum, because both addends are odd. Is he right?
No, the addends are odd, but the sum of two odd numbers is even.
148 rounded to the nearest ten is...
150
457 rounded to the nearest hundred is...
500
Write 3,967 in expanded form
3,000 + 900 + 60 + 7
What property is modeled below?
3 +0 = 3
Zero Property of Addition
Jessica says 345 rounded to the nearest ten is 300. Did Jessica round correctly?
Explain using words, pictures or numbers.
No, she rounded to the nearest hundred. 345 rounded to the nearest ten is 350.