1-10
11-20
21-25
100
Anna and Bella are celebrating their birthdays together. Five years ago, when Bella turned 
years old, she received a newborn kitten as a birthday present. Today the sum of the ages of the two children and the kitten is 
years. How many years older than Bella is Anna?
3
100
The eighth grade class at Lincoln Middle School has 
students. Each student takes a math class or a foreign language class or both. There are 
eighth graders taking a math class, and there are 
eighth graders taking a foreign language class. How many eighth graders take only a math class and not a foreign language class?
39
100
A bus takes 
minutes to drive from one stop to the next, and waits 
minute at each stop to let passengers board. Zia takes 
minutes to walk from one bus stop to the next. As Zia reaches a bus stop, if the bus is at the previous stop or has already left the previous stop, then she will wait for the bus. Otherwise she will start walking toward the next stop. Suppose the bus and Zia start at the same time toward the library, with the bus 
stops behind. After how many minutes will Zia board the bus?
17
200
Carrie has a rectangular garden that measures feet by 
feet. She plants the entire garden with strawberry plants. Carrie is able to plant 
strawberry plants per square foot, and she harvests an average of 
strawberries per plant. How many strawberries can she expect to harvest?
1920
200
How many positive integers can fill the blank in the sentence below?
“One positive integer is _____ more than twice another, and the sum of the two numbers is 
.”
9
200
A game board consists of 
squares that alternate in color between black and white. The figure below shows square 
in the bottom row and square 
in the top row. A marker is placed at 
A step consists of moving the marker onto one of the adjoining white squares in the row above. How many 
-step paths are there from to 
(The figure shows a sample path.)
28
300
Luka is making lemonade to sell at a school fundraiser. His recipe requires times as much water as sugar and twice as much sugar as lemon juice. He uses cups of lemon juice. How many cups of water does he need?
24
300
How many positive integer factors of 
have more than factors? (As an example, 
has factors, namely 
and 
)
7
300
Each square in a 
grid is randomly filled with one of the gray and white tiles shown below on the right.
What is the probability that the tiling will contain a large gray diamond in one of the smaller 
grids? Below is an example of such tiling.
1/64
400
Zara has a collection of marbles: an Aggie, a Bumblebee, a Steelie, and a Tiger. She wants to display them in a row on a shelf, but does not want to put the Steelie and the Tiger next to one another. In how many ways can she do this?
12
400
Suppose 
of 
equals 
of 
What percentage of is 
75
400
What is the area of the triangle formed by the lines 
, 
, and 
?
16
500
Wind chill is a measure of how cold people feel when exposed to wind outside. A good estimate for wind chill can be found using this calculation
where temperature is measured in degrees Fahrenheit 
and the wind speed is measured in miles per hour (mph). Suppose the air temperature is 
and the wind speed is 
mph. Which of the following is closest to the approximate wind chill?
23
500
A scientist walking through a forest recorded as integers the heights of trees standing in a row. She observed that each tree was either twice as tall or half as tall as the one to its right. Unfortunately some of her data was lost when rain fell on her notebook. Her notes are shown below, with blanks indicating the missing numbers. Based on her observations, the scientist was able to reconstruct the lost data. What was the average height of the trees, in meters?
24.2
500
Rectangles 
and 
and squares 
and 
shown below, combine to form a rectangle that is 3322 units wide and 2020 units high. What is the side length of 
in units?
651