Pre-Assessment: Mathematics For Elementary Educators I Pgxc

PRE-ASSESSMENT: MATHEMATICS FOR ELEMENTARY EDUCATORS I PGXC Attempt #1 Status: Not Passed 1. A baker lives 11 blocks away from the store. The baker walks to the store and back, taking a two-block detour each way. How many blocks did the baker walk in total? YOUR ANSWER CORRECT ANSWER 22 24 26 28 2. What is the sum of the whole numbers from 1 to 50? YOUR ANSWER CORRECT ANSWER 1,275 1,276 1,277 1,278 3. A student wants to conduct an experiment to see how quickly information can travel. On Day 1 of the experiment, the student tells three friends a personal fact. On Day 2, those three friends share the fact with three new people each. Assuming this pattern continues, how many people will hear the fact on Day 7 of the experiment? YOUR ANSWER CORRECT ANSWER 21 218 2,187 21,870 4. For every room a school adds, it can accommodate 25 additional students. If the school starts with 100 students and adds 12 rooms, how many students can the school accommodate? YOUR ANSWER CORRECT ANSWER 300 350 400 450 5. A glass drops 10 grains of sand per second. If there are no more grains of sand after 5 minutes, how many grains of sand were in the glass originally? YOUR ANSWER CORRECT ANSWER 2,000 3,000 5,000 6,000 6. The set A is equivalent to the set B, and B = { 1, 2, 3, . . . , 15 }. What is n(A) or cardinality of set A? YOUR ANSWER CORRECT ANSWER 0 4 14 15 30 7. Assume A = {1, 2, 3, 5, 8, 13} and B = {1, 3, 6, 10, 15}. Define a new set, C = A ∩ B. Find n(C). YOUR ANSWER CORRECT ANSWER 0 1 2 9 11