(Ch 3) Add. Math Properties
  • 1. What is x in 3 +2 +8 = 2 + x + 3?
A) 2
B) 13
C) 3
D) 8
  • 2. What property is shown in (5 + 6) + 4 = x
A) Communitive
B) Associative
C) Numbers
D) Zero
  • 3. When solving the equation 6 + (5 + 10), what is done first?
A) switch the 10 for 6, then add 5 + 6 inside the parenthesis
B) just add
C) first add what's inside the parenthesis
D) add any numbers
  • 4. What is the Zero Property Addition/Subtraction?
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
  • 5. What is the Communitive Property for Addition?
A) Numbers are added
B) You add
C) No matter what order you add #s, the sum is the same
D) You must add #s in the order given
  • 6. What is the Associative Property?
A) A property
B) Combine #s in the parenthesis first
C) Combine #s that are the same
D) Only combine #s if they're the same
  • 7. How would you solve (7 + 3) + 4?
A) Add inside the parenthesis 7 + 3 to make 10, then add 4
B) Add 7+3
C) Swith the 4 for 3, then add before adding 7
D) Switch 7 for 4, then add 3 + 4
  • 8. What is x in 6 + (2 + 10) = 6 + (2 + x)
A) 18
B) 10
C) 12
D) 8
  • 9. How would you solve 4 + 5 + 10?
A) Take a 10, then add 4 + 5 (double + 1) to equal 19
B) Add any #s to solve
C) Add 10+ 5 + 4
D) Add 4 + 5 + 10 to get 19
  • 10. How would you solve 8 + 3+ 2 + 7?
A) Add the odd #s, add even #s, then add sums together
B) Add the numbers to get an answer
C) 1st add 8 + 3, then add 2 + 7, then add sums together
D) Make 10's (8 + 2) & (7 + 3), then add together
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