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

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

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

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

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

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

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

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

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