Estimate and Average
Estimate the difference between 17 and 11.
10
What is the GCF of 6 and 8?
2
1 - 1/3
2/3
Which of these words names the distance across a circle through its center?
a. radius
b. diameter
c. circumference
b. diameter
Simplify: 126/6
21
What is the average of 3, 7, 7, 11?
7
What is the GCF of 14 and 6?
2
1 2/3
The perimeter of a square is 48 in. How long is each side?
12 inches
4/5 x ___ = 1
5/4
Estimate the sum of 495 and 301.
What is the GCF of 24 and 28?
4
1/2 x 3/4
3/8
If 1/4 of the 16 pencils were sharpened, then how many pencils were sharpened?
4 pencils
What are the next three numbers in this sequence?
8, 16, 24, 32, __, __, __
40, 48, 56
What is the average of 68, 72, and 82?
74
What is the GCF of 30 and 24?
6
3/8 + 3/8
3/4
In a class of 24 students there are 16 girls. What is the ratio of boys to girls in the class?
8 to 16
8:16
8/16
What is the least common multiple of 4 and 6?
12
Estimate the product of 56 and 22
1,200
What is the GCF of 70 and 80?
10
Add and convert:
3 1/3 + 2 2/3
6
A 27-inch length of ribbon was cut into 4 equal lengths. How long was each piece of ribbon?
6 3/4
Name the obtuse angle in triangle ABC
<ACB