(Ch 3) Add. Math Properties

- 1. What is x in 3 +2 +8 = 2 + x + 3?
A) 13 B) 8 C) 2 D) 3 - 2. What property is shown in (5 + 6) + 4 = x
A) Zero B) Communitive C) Numbers D) Associative - 3. When solving the equation 6 + (5 + 10), what is done first?
A) just add B) first add what's inside the parenthesis C) add any numbers D) switch the 10 for 6, then add 5 + 6 inside the parenthesis - 4. What is the Zero Property Addition/Subtraction?
A) Zero is in the answer B) Zero has a home C) Zero is in the number D) When adding or subtracting from 0, you get the same number - 5. What is the Communitive Property for Addition?
A) Numbers are added B) You must add #s in the order given C) You add D) No matter what order you add #s, the sum is the same - 6. What is the Associative Property?
A) A property B) Only combine #s if they're the same C) Combine #s in the parenthesis first D) Combine #s that are the same - 7. How would you solve (7 + 3) + 4?
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) Switch 7 for 4, then add 3 + 4 D) Add 7+3 - 8. What is x in 6 + (2 + 10) = 6 + (2 + x)
A) 8 B) 18 C) 12 D) 10 - 9. How would you solve 4 + 5 + 10?
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 - 10. How would you solve 8 + 3+ 2 + 7?
A) 1st add 8 + 3, then add 2 + 7, then add sums together B) Add the numbers to get an answer C) Add the odd #s, add even #s, then add sums together D) Make 10's (8 + 2) & (7 + 3), then add together |

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