A) 2
B) 3
C) 8
D) 13

A) Communitive
B) Associative
C) Zero
D) Numbers

A) add any numbers
B) first add what's inside the parenthesis
C) switch the 10 for 6, then add 5 + 6 inside the parenthesis
D) just add

A) Zero has a home
B) Zero is in the number
C) When adding or subtracting from 0, you get the same number
D) Zero is in the answer

A) No matter what order you add #s, the sum is the same
B) Numbers are added
C) You add
D) You must add #s in the order given

A) Combine #s that are the same
B) Combine #s in the parenthesis first
C) Only combine #s if they're the same
D) A property

A) Switch 7 for 4, then add 3 + 4
B) Add 7+3
C) Swith the 4 for 3, then add before adding 7
D) Add inside the parenthesis 7 + 3 to make 10, then add 4

A) 10
B) 8
C) 18
D) 12

A) Add any #s to solve
B) Add 10+ 5 + 4
C) Take a 10, then add 4 + 5 (double + 1) to equal 19
D) Add 4 + 5 + 10 to get 19

A) Add the numbers to get an answer
B) Add the odd #s, add even #s, then add sums together
C) Make 10's (8 + 2) & (7 + 3), then add together
D) 1st add 8 + 3, then add 2 + 7, then add sums together