GFC & LCM
Find the GCF of 12 and 18.
6
Which is greater: -3 or -8?
-3
Calculate 1/2 ÷ 1/4.
2
Calculate 4.5 + 2.8
7.3
Evaluate 6 + 3 × 4
18
Find the LCM of 6 and 10.
30
What is the opposite of -7.5?
7.5
Calculate 3/4 ÷ 3
1/4
Calculate 9.6 - 3.75
5.85
Evaluate (9 - 5)² + 3
19
Find the GCF of 54 and 81.
27
Evaluate |-11| - |4|.
7
Calculate 2 1/2 ÷ 1/2
5
Calculate 2.4 × 3
7.2
Evaluate 2(6 + 4) - 3²
11
Find the LCM of 12 and 18.
36
A diver is at -18 feet and rises 11 feet. What is the new depth?
-7 feet
A baker has 5 1/4 cups of flour and uses 3/4 cup per batch. How many full batches?
7 batches
A ribbon is 30 m long. Four pieces of 3.65 m are cut. How much remains?
15.4 m
Evaluate [3(8 - 4)² + 6] ÷ 3
18
Two bells ring every 14 and 20 minutes. If they ring together now, after how many minutes will they ring together again?
140 minutes
Evaluate |-16| + |-9| - | -13 |.
12
A camper has 7 1/3 liters of water. Each bottle holds 2/3 liter. How many full bottles?
11 bottles
A store has 48.5 kg of rice. It sells 3 bags of 7.85 kg and 2 bags of 4.6 kg. How much remains?
15.75 kg
Evaluate [5(2 + 4²) - 18] ÷ 3
24