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factoring
divisibility rules
word problems
GCF / LCM
multi-step equations
100

what is the prime factorization of 72y3?

23 x 32 x y3

100

is 702 divisable by 2? why or why not?

yes, ends in an even number
100

If Profe had asked you to staple 102 papers, and gave you 30 staples but ran out, how many papers are left without staples?

102 - 30 = 72 

100

what is the smallest 3 numbers that can be divisible by both 3 and 6 ?

6, 12, 18


100

find x: 2x + 7 = 21

 x = 7 

200

what is the prime factorization of 363y?

3 x 112 x y

200

is 72 divisible by 9? How?

Yes, it equals to 8. 

Add up the digits and if it equals to 9! 

200

Mr. Mendez had biked to school one day, going 15 miles per hour. If he travels 6 miles to work, how long does it take for him to get here?

24 minutes or 0.4 hours

200

what is the GCF of 36y3 and 72y?

36y

200

find x : 3x = 108

x = 108/3

x = 36

300

what is the prime factorization of 90?

2 x 32 x 5

300
is 7025 divisible by 5? why?

ends in 0 or 5 

answer: 1405

300

Ms. Liwanag bought 3 pairs of shoes and the total money spent is $358. One pair was $98, and the other two were the same price. How much were the other pairs of shoes individually?

Each of the shoes were $130. 

300
what is the LCM of 45 and 180?

LCM = 180


300

-1.2x - 4.8 = -10.8

x = 5

400

what is 22 x 32 x 4 x y2 x a2 ?

144a2y2

400

which digits could replace the blank in 41_ to make it divisible by 9?

add up all digits and see what is left to make it to 9

4 + 1 + ___ = 9

answer: 5

400

If the total class of 25 students had to collectively raise $250 and a gracious donor had donated $75, how much does each individual student need to fundraise now?

Each students needs to fundraise $7. 

400

what is the GCF of 59 and 23?

GCF: 1

400

4(x − 1) − 2(x + 5) = 6

x = 10 

500

what is the prime factorization of 100,000?

25 + 55

500

is 7,102,214 divisible by 6? what is the divisibility rule for 6? 

No

Check to see if it is divisible by 2 (even number ) and divisible by 3 (add digits up and see if the sum is divisible by 3)

500

If Mr. Reece had to set up flex time and had 2 hours and 15 mins, but finished in 75 mins, how much remaining time does he have left?

60 minutes or 1 hour

500

What is the GCF of 728y and 36x?

728y: 23 x 7 x 13

36x : 22 x 32

GCF: 4

500

find x : 0.5x + (9/2) = 42

9/2 = 4.5 

-> 0.5x + 4.5 = 42 //subtract 4.5 on both sides

-> 0.5x = 37.5 // divide by 0.5 on both sides

x = 75