Whole Number Operations
What is 468+322?
790
What operation do we use to evaluate exponents?
Multiplication!!
What are the order of operations?
Parentheses, Exponents, Multiplication, Division, Addition, Subtraction
What do GCF and LCM stand for? What are two methods to find them?
Greatest Common Factor & Least Common Multiple.
We can find them using factor trees, lists of factors and multiples, and the Ladder Method.
Kiara baked 30 oatmeal cookies and 48 chocolate chip cookies to package in plastic containers for her friends at school. Every container must be identical and there can be no cookies left over. How many plastic contaiers does she need? How many cookies of each kind will go into each container?
6 containers.
5 oatmeal cookies & 8 chocolate chip cookies.
What is 976-784?
192
Write the product as a power:
5x5x5x5x5x5x5x5x5
59
Solve: 12-2(7-4)
6
Find the GCF of 44 and 80.
GCF = 4
A math teacher combines his class with a science teacher for a group activity. The math teacher has 18 students and the science teacher has 27 students. The teachers want to form groups of the same size. Each group must have the same number of math students and the same number of science students. What is the greatest number of groups the teachers can form?
How many students from each class are in each group?
9 groups
Bonus: 2 math students and 3 science students
What is 28x36?
1,008
What are the factor pairs for 80?
1 x 80
2 x 40
4 x 20
5 x 16
8 x 10
Solve: 24(5-3)÷2
8
Find the LCM of 11, 20 and 22.
220
A man smiles at his beautiful wife every 45 seconds while the wife smiles back at him every 60 seconds. In how long will both husband and wife smile at each other at the same time?
180 seconds
What is 468÷4?
117
Find the value of the power: 53
(26÷2+5)÷(32-3)
3
Find the GCF and LCM of 18, 45, 72
GCF: 9
LCM: 360
Steve can save 9 dollars every day while Maria can save 12 dollars every day. What is the least number of days it will take each person to save the same amount of money?
36 days
What is 1786÷47?
38
What is the Prime Factorization of 140?
22 x 5 x 7
Insert +, -, x, and ÷ to make the following statement true:
5__6__15__9=24
5x6-15+9=24
Find the GCF and LCM of 100, 130, 150
GCF: 10
LCM: 1,950
Veronica is making emergency-preparedness kits to share with friends. She has 40 cans of food, 32 bottles of water and 16 blankets, which she would like to distribute equally among the kits, with nothing left over. What is the greatest number of kits Veronica can make? What will be in each kit?
8 kits: 5 cans of food, 4 bottles of water, and 2 blankets.