Exponents
What is 23?
8
6x6+52
61
What is the prime factorization of 15?
5x3
144
Yes, 12x12
Miss Clara has 20 students in her class, she needs to divide the students into groups. is 20 a perfect square to divide the groups into? Why? Why not?
20 is not a perfect square to divide the groups into. Therefore Miss Clara has to find a different solution to divide the groups into.
What is 53
125
(5+10)4
50,625
What is the prime factorization of 27?
33
64
Yes,8x8
Mr Morris needs 50 pencils for his class of 19 for a project NOT including him. Can 19 be divided by 50? Explain.
No 19 can not be divided by 50 because 19 is a prime number.
What is 65?
7,776
What is 4x4(7+5)
192
What is the prime factorization of 32?
2x2x2x2x2=25
132
No
Miss Larchege has 30 books for a book club of 30 students. The first day is on Monday. 7 people drop out of the club then 5 people join the club. 3 people can't make it the first day. How many people are in the club? Explain.
28 because 30-7=23 and 23+5=28. The 3 people just can't make it the first day, that does not mean that they quit the club.
What is 109?
1,000,000,000
8x34
648
What is the prime factorization of 65?
5x13
100
Yes,10x10
A teacher assigns a class homework. The homework was 3 pages long with ten questions on each page. Out of the 23 assigned, 18 kids completed the whole homework. 2 kids finished half of the home work, and the rest did not do it at all.Out of the number of questions assigned 1/3 of the questions were correct. How many questions were answered on the homework? How many were correct?
18x30=540+15+15=570. Therefore 570 questions were answered. 190 were correct.
What is 36
729
What is 8x53
1000
What is the prime factorization of 87?
3x29
84
No
Jenna gets $8 an hour as a teacher. She works 180 days of school from September to June and 8 hours a day. How much does she make averagely in a day? Week? Month? Half year? Year?
About $64 a day, $320 a week, $960 a month, 4,800 half of the year, 9600 a year.