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

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

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

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

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

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

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

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

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

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