Round to the nearest ten or hundred
19 rounded to the nearest ten is ________.
20
The ________ Property of Addition states that the sum of any number and and zero is that number.
a) Identity
b) Commutative
c) Associative
a) Identity
How can you break apart 12 into tens and ones ?
10 + 2
Grant is eating his breakfast, what time is it ?
a) 7:25 P.M.
b) 3:30 A.M.
c) 7:00 A.M.
d) 11:45 P.M
c) 7:00 A.M.
75 rounded to the nearest ten is _________.
80
The ________ Property of Addition states that you can add two or more numbers in any order and get the same sum.
a) Identity
b) Commutative
c) Associative
b) Commutative
How can you break apart 123 into hundreds, tens and ones ?
100 + 20 + 3
How many sides does a pentagon have ?
5 sides
175 rounded to the nearest hundred is _________.
200
The ________ Property of Addition states that you can group the addends in different ways and still get the same sum.
a) Identity
b) Commutative
c) Associative
c) Associative
What is the missing number ?
356 = 300 + ____ + 6
50
Sam divided a square into three equal parts, what is the name of each equal part ?
third
151 rounded to the nearest ten is _________.
150
What Property is being used when you change the grouping in a addition sentence ?
(16 + 39) + 11 = 16 + (39 + 11)
___________ Property of Addition
Associative Property of Addition
Find the error in the following addition sentence, and say the correct sentence.
212 = 200 + 10 + 2
+333 = 300 + 33 + 3
300 + 30 + 3
Kyle has one $1 bill, 3 quarters and 1 nickel, how much money does he have ?
$1.80
949 rounded to the nearest hundred is _______.
900
What Property is being used when you switch the order of 2 addends ?
13 + 29 + 17 = 29 + 13 + 17
___________ Property of Addition
Commutative Property of Addition
What are all the missing numbers ?
534 = 500 + _____ + 4
+___ = 200 + 50 + 6
30 and 256
How many vertices does a cube have ?
8 vertices