Show:
Addition Properties
Rounding
Equations
100
What is the other half of this commutative, "flip-flop" property? 3+7=10.
What is 7+3=10.
100
When rounding to the nearest 10 what digit do you look at?
What is the ones digit.
100
Find the value of n. 12-n=7
What is n = 5
200
Which addition property is this? 3+(5+2) and (3+5)+2
What is the Associative property or the buddy property.
200
When rounding to the nearest hundred what digit do you look at?
What is the tens digit.
200
What is the value of n? 9-n=3
What is n=6.
300
What is the identity or zero property?
What is any number you add to zero will always be zero.
300
Round 123 to the nearest ten.
What is 120.
300
What is the value of n? 10=6+n
What is n=4.
400
Round 38 to the nearest ten.
What is 40.
500
What is 365 rounded to the nearest hundred?
What is 400.