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

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

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

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

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

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

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

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

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