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

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

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

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

A) You must add #s in the order given
B) You add
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) 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) 8
C) 18
D) 10

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

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