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

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

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

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 add
B) You must add #s in the order given
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) A property
C) Combine #s in the parenthesis first
D) Only combine #s if they're the same

A) Switch 7 for 4, then add 3 + 4
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) Add 7+3

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

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

A) Add the odd #s, add even #s, then add sums together
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 numbers to get an answer