To find an answer that is close to the exact amount
What is estimate?
100
Draw an example of a polygon
Use board
100
1/2 is <, >, or = to 5/9
< less than
200
70 x 55 =
3,850
200
3000 divided by 6
What is 500?
200
A number that is multiplied by another number to find a product.
What is a factor?
200
Draw an example of a triangle
See board
200
Add 4/8 + 3/4
What is 10/8 or 1 and 2/10
300
49 x 50 =
2,450
300
810 divided by 9
What is 90?
300
The amount left over from a division problem
What is a remainder?
300
Draw an example of an obtuse angle.
See board
300
Subtract 9/10 - 3/10 and simplify
What is 3/5?
400
The apples from each tree in an orchard can fill 23 bushel baskets. If 1 row of the orchard trees has 48 trees, how many baskets of apples can be filled?
1,104
400
There are 4 students on a team for a relay race. How many teams can be made from 84 students?
What is 21?
400
The property that states when the order of two factors is changes, the product is the same
What is the Commutative Property of Multiplication?
400
Draw a set of intersecting lines that cross at one point
See board
400
Maya left a quarter after 9:00. She arrived at 10:15. How long did it take for her to get to school?
What is one hour?
500
By 1914, Henry Ford had streamlined his assembly line to make a Model T car in 93 minutes. How many minutes did it take to make 25 Model Ts?
2,325
500
A peanut vendor had 640 bags of peanuts. She sold the same number of bags of peanuts at each of 8 baseball games. How many bags of peanuts did she sell at each game?
What is 80?
500
Numbers that are easy to compute mentally
What are compatible numbers?
500
Draw a set of parallel lines and perpendicular lines
See board
500
Max left school at 1:20 and arrived at the library at 2:00. He stayed for a half an hour. It took him 15 minutes to walk home. What time did he arrive?