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

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

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

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) You add
C) You must add #s in the order given
D) Numbers are added

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

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

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

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

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