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

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

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

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

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

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) Add 7+3
B) Switch 7 for 4, then add 3 + 4
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 4 + 5 + 10 to get 19
C) Add 10+ 5 + 4
D) Take a 10, then add 4 + 5 (double + 1) to equal 19

A) Add the numbers to get an answer
B) Make 10's (8 + 2) & (7 + 3), then add together
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