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

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

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

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

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

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

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) 12
B) 10
C) 18
D) 8

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

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