Adding & Subtracting
Multiplying
Dividing
Greatest Common Factor
Least Common Multiple
Prime Factorization
100
23.1 + 78.05
101.15
100
36 x 0.42
15.12
100
759 -: 0.3
2,530
100
What is the GCF of 28 and 21?
7
100
For the following numbers, what is the least common multiple:
20 and 10
20
100
Write an equation based on the prime factorization of the following number:
24
2 * 2 * 2 * 3
2^3 * 8
200
56.08 - 45.07
11.01
200
6.04 x 23
138.92
200
17.696 -: 2.8
6.32
200
What is the GCF of 19 and 38?
19
200
For the following numbers, what is the least common multiple:
14 and 4
28
200
Write an equation based on the prime factorization of the following number:
54
2*3*3*3
2*3^3
300
1,046.376 - 821.613
224.763
300
10.21 x 2.01
20.5221
300
202.0 -: .5
404
300
What is the GCF of 200 and 25?
25
300
For the following numbers, what is the least common multiple:
5 and 8
40
300
Write an equation based on the prime factorization of the following number:
120
2*2*2*3*5
2^3*3*5
400
Axel has a modern book with a mass of 5.623 kg and an older encyclopedia with a mass of 6.24 kg.
What is the combined mass of the books?
11.863 kg
400
DAILY DOUBLE!!! - you get double the points for this question if you get it correct!
Brooklynn earns $15.40 per hour at her part-time job at In-n-Out. On Saturday she worked 5.25 hours. What were her total earnings for the day?
$80.85
400
Nick had $73.85. He wants to divide this amount evenly between himself and four of his friends. How much should each person get?
Each would get $14.77
400
Mr. Stark is going to plant 63 tomato plants and 81 rhubarb plants.
He would like to plant the plants in rows where each row has the same number of tomato plants and each row has the same number of rhubarb plants.
What is the greatest number of rows Mr. Stark can plant?
He can plant 9 rows.
400
Luke practices the trumpet every 11th day and the flute every 3rd day.
Luke practiced both the trumpet and the flute today.
How many days until Luke practices the trumpet and flute again on the same day?
On day 33.
400
Using what you know about Prime Factorization and GCF, write the prime factorization of the following two numbers as an equation and then find their GCF.
32:
48:
The GCF is 8.
2*2*2*2*2 = 32
2^5 = 32
2*2*2*2*3 = 32
2^4*3 = 32
500
To visit his grandmother, Joel takes a motorcycle 33.83 kilometers and a car 11.323 kilometers. In total, the distance to his grandmother's house is 50.54 kilometers away.
How many more kilometers is Joel's journey?
5.087 km
500
Christian wants to buy 4 pens and 2 notebooks.
At which store would the 4 pens and 2 notebooks cost less?
Store A: $7.98
500
Ivan and his three best friends went to a Lakers game. The cab ride from the hotel, to the stadium costs $5.85 per person. In addition, the cab ride will ride will cost $1.15 per 0.5 mile. The total distance from the hotel to the stadium is two miles. How much would each person pay if they split the cost evenly?
They would each pay $7.00
500
AJ is going to plant 56 oak trees and 28 pine trees.
AJ would like to plant the trees in rows that all have the same number of trees and are made up of only one type of tree.
What is the greatest number of trees AJ can have in each row?
He can plant 28 trees in each row.
500
Ash goes golfing every 5th day and Emma goes golfing every 8th day.
If Ash and Emma both went golfing today, how many days until they will go golfing on the same day again?
40 days
500
DAILY DOUBLE!!! - you get double the points for this question if you get it correct!
Using what you know about Prime Factorization and GCF, write the prime factorization of the following two numbers as an equation and then find their GCF.
56:
84:
The GCF is 14.
2*2*2*7 = 56
2^3*7 = 56
2*2*3*7 = 84
2^2*3*7 = 84