Add/Subtract Integers
-7 + -18
-25
Find the GCF of 12 and 30.
6
Pencils come in packages of 10. Erasers come in packages of 12. Phillip wants to purchase the smallest number of pencils and erasers so that he will have exactly 1 eraser per pencil. What is the least number of each will he need?
60
Find the prime factorization of 36.
2 * 2 * 9 * 9
What integer represent this situation?
The enrollment at Wildwood Middle School dropped by 31 kids.
8 days.
23 - (-62)
85
Find the LCM of 5 and 7.
35
You have piano lessons every fourth day and guitar lessons every sixth day. Today you have both lessons. In how many days will you have both lessons on the same day again?
12
Order from least to greatest.
-4, |-5|, 6, -13, 2
-13, -4, 2, |-5|, 6
81 & -81
-59 - 12
-71
Find the GCF of 72 and 84.
12
You are creating identical picnic baskets using 30 sandwiches and 42 cookies. What is the greatest number of baskets that you can fill using all the food?
The greatest factor they have in common is 6, so you can make 6 baskets using all the food.
Find the prime factorization of 50.
2 * 5 * 5
**should draw 5 chips with +1 in them.**
-84 + 56
-28
Find the LCM of 12 and 8.
24
I want to plant 45 sunflower plants, 81 corn plants and 63 tomato plants in my garden. If I put the same number of plants in each row and each row has only one type of plant, what is the greatest number of plants I can put in one row?
9 plants in one row
Order from least to greatest.
-14, -18, -21, 22, 13
-21, -18, -14, 13, 22
|-5|
5
74 - 92
-18
Find the GCF of 42 and 70.
14
Hamburgers come in packs of 9, while buns come in packs of 12. What is the least number of packs you should buy in order to have the same number of hamburgers and buns? Be careful . . .how many PACKS should you buy of each?
4 packs of burgers and 3 packs of buns. (36 is the LCM)
Order from least to greatest.
|-3|, |2|, |-10|, 0, |5|
0, |2|, |-3|, |5|, |-10|
|73|
73