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

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

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 must add #s in the order given
D) You add

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

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

A) 10
B) 18
C) 8
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 odd #s, add even #s, then add sums together
B) 1st add 8 + 3, then add 2 + 7, then add sums together
C) Add the numbers to get an answer
D) Make 10's (8 + 2) & (7 + 3), then add together