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

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

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

A) Zero has a home
B) Zero is in the answer
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) Combine #s in the parenthesis first
C) A property
D) Only combine #s if they're the same

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

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

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

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