Even or Odd
odd + odd = _____
even
Write an example of the Commutative Property.
1 + 3 = 3 + 1
What is the answer to an addition problem called?
Sum
What is the answer to a subtraction problem called?
Difference
even + even = ____
even
Write an example of the Associative Property.
(7 + 3) + 9 = 7 + (3 + 9)
Solve using a number line.
53 + 34 =
87
Solve using a number line.
318 - 62 =
256
odd + even = _____
odd
True or False: This shows the Commutative Property.
11 + 23 = 23 + 11
True
Solve using regrouping.
519 + 362 =
881
Solve using regrouping.
600 - 431
169
even + odd = ____
odd
True or False: This shows the Associative Property.
12 + 0 = 12
False. That shows the Identity Property.
Solve using the Break Apart Strategy.
283 + 129 =
200 + 80 + 3
100 + 20 + 9
---------------
300 + 100 + 12 = 412
Solve using place value.
105 - 84 =
21
Write all the numbers even numbers can have in the ones place.
0, 2, 4, 6, 8
(3 + 8) + 1 = (8 + 3) + 1
True
Solve using any strategy.
127 + 143 =
270
Solve using any strategy.
800 - 614 =
186