Number Sense
What is 4,698 rounded to the nearest thousand?
5,000
Dots on a line are called _____
points
A square has a side length of 3 feet. What is its perimeter
12 feet
85 - 38 = ______
47
A right angle is an angle whose sides form ____ degrees
90
What is 48,300 rounded to the nearest ten-thousand?
50,000
A line segment contains 2 ___ ___.
end points
The formula for perimeter is:
p = l + l + w + w
p = 2l + 2w
p = 2 * (l + w)
506 - 187 = _____
319
An acute angle has a measurement that is _____ than ____ degrees.
less than, 90
Comparison:
3 thousand ____ 3,000
2,100 _____ 2,000-100
9[10,000] ______ 90,000
<, >, =
The difference between a line and a line segment are (name 2):
1) A line goes on forever and a line segment does not
2) A line segment contains two endpoints, while lines have arrows showing they continue on in either direction
The prefix 'peri' in perimeter means ______
"around" or "about"
- 2[100s] + 7[10s] + 8[1s]
147
Obtuse
Use an estimation strategy to solve the following:
44 + 448 + _____
40 + 450 = 490; 50 + 450 = 500
A ray contains both _______ and ______.
Jerry wants to build a fence around his garden. He wants the garden to be 8 feet long and 4 feet wide. What is the perimeter of his garden (don't forget units)
24 feet
Estimate and then solve:
951 - 695 = ______
Estimate: 950 - 700 = 250
Actual: 256
middle: <ABC, where point B is the vertex
Which expanded form shows 3,458?
a) 3[1000s] + 4[100s] + 5[10s] + 8[1s]
b) 300 + 400 + 50 + 8
C) 3,000 + 400 + 50 + 8
a and c
The difference between rays and line segments or lines is: ________
Rays have specific naming rules. The end point is always the first letter in the name of a ray. The second letter can be any other point on the ray
Eric's car travels about 256 miles on a tank of gas. With a full tank, he drives 66 miles to visit Ms. Owens and 78 miles to visit Ms. Hilton. How many more miles can Eric drive before he runs out of gas? (Don't forget units)
112 miles
Estimate and then solve:
7,003 - 4,885 = ________
Estimate: 7,000 - 5,000 = 2,000
Actual: 2,118
The sum of 4 right angles is: _____
360