Ballpark Estimates
Measurement - Customary
Measurement - Metric
Perimeter
Area
100
What is the ballpark estimate for the following problem: 99 + 49 =
What is 100 + 50 = 150
100
There are this many inches in a foot
What is 12 inches
100
Which is bigger - a centimeter or a meter?
What is a meter?
100
What is the perimeter of a square where all sides are 2 inches?
What is 8 inches.
100
Area is...
any acceptable answer...
200
What is the ballpark estimate for the following problem: 49 - 21 =
What is 50 - 20 = 30
200
Name 2 objects that are about the size of an inch.
What is a paperclip and the space between finger joints (or any other acceptable answer)
200
How many centimeters are in a meter?
What is 100?
200
What is the perimeter of a shape with the sides 8 inches, 2 inches, and 10 inches?
What is 20 inches.
200
What is the area of question 3.8 #1?
What is 28 square units
300
What is the ballpark estimate for the following problem: 584 + 121 =
What is 600 + 100 = 700
300
___ feet = 1 yard
What is 3 feet
300
Which is bigger - a kilometer or a meter?
What is a kilometer
300
What is the perimeter of a rectangle with the sides of 8 and 3 inches?
What is 22 inches.
300
What is the area of 3.8 #2?
What is 70 square units
400
What is the ballpark estimate for the following problem: 249 - 103 =
What is 200 - 100 = 100
400
Which is bigger - a mile or an inch?
What is a mile?
400
How many decimeters are in a meter?
What is 10?
400
The teacher will draw a shape on the board - it is your job to find the perimeter.
answer varies
400
What is the area of 3.8 #3?
What is 32 square units?
500
What is the ballpark estimate for the following problem: 537 + 186 =
What is 500 + 200 = 700
500
Why is it important to use the same unit everyone else is using to measure things?
What is to make sure the measurements are equivalent
500
Why should we make an estimate before measuring things?
So we can check if our actual answer is correct or not.
500
Find the perimeter of the teacher drawn shape on the board.
answers vary
500
What is the area of a rectangle with the sides 4 inches and 5 inches?
What is 20 square inches
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