Winnings
What is the associative property of Addition
Grouping of the numbers does not change the sum
In a park, there were 5 fig tree and 4 pines. The gardener has planted six more pines. How many trees are in the park now?
(5 + 4) + 6 = 15
a + (b + c) is equal to
(a + c) + b
True or False
(18 + 30) + 7 is equal to (30 - 7) + 18
False
True or False
Subtraction is associative
False
(1 + ___) + 3 = (2 + 1) + _____
___2___
__3___
2 + 5 + 1 = 8
State one grouping of this
(2 + 5) +1 = 8
(1 + 5) +2 = 8
Fill in the blank
___ + (4 + 8) = (___+ 3) + 8
___3___
___4 ___