Averages/Equal Groups
What is the average of 6, 8, and 4?
6
1/4 + 1/4 + 1/4 =
3/4
1/12
What is the LCM of 6 and 4?
12
What is the reciprocal of 1/8?
8
If there are 72 students in 3 classrooms, how many would need to be in each classroom for there to be the same number in each classroom?
24 students/clasroom
2/7 + 5/7 =
1
What is 2/3 of 5/9?
10/27
What is the LCM of 9 and 5?
45
What is the reciprocal of 4/7?
7/4
What number is halfway between 42 and 106?
74
5/9 - 2/9 - 1/9 =
2/9
4 3/5 - 3 1/5 =
1 2/5
What is the LCM of 2, 8, and 10?
40
Reduce to lowest terms:
15/25
3/5
What is the average of 11, 16, and 9?
12
1/2 + 1/2 - 1/2 + 1/2 =
1
7/10 x 2/4 =
7/20
A shopkeeper sells candles in packets of 12 and candle stands in packet of 8. What is the least number of candles and candle stands Gretchen should buy so that there will be one candle for each candle stand?
24 candles and candles stands
Reduce to lowest terms:
12/72
1/6
Darla has $25.00, Steven has $16.00, Savanna has $11.00 and Troy has $32.00. If they split up their money so that everyone had the same amount, how much would each person have?
8/11 + 7/11 - 2/11 =
1 2/11
19 1/7 - 11 4/7 =
7 4/7
Peter's Party Zone sells cups in packages of 10 and plates in packages of 6.
Ruth is hosting a birthday party for her little sister and wants to have the same number of each item.
What is the least number of cups and plates Ruth needs to buy?
30 cups and plates
B) Reduce the reciprocal to lowest terms
A) 12/18
B) 2/3