Math Challenge Practice Test Questions

Wendy was 7 years old when Tim turned 2. If Tim turned 10 years old today, how old is Wendy now?

Solve the number riddle: If you multiply the largest 1-digit number and me, you will get the largest 2-digit number. What number am I?

(a)  

A rectangle is formed by placing two identical squares side by side. If the perimeter of the rectangle is 30 inches, what is the area of the rectangle?

Jamesin wants to make an egg salad and found a recipe that calls for 4 eggs to serve 6 people. If she wants to make the egg salad for 15 people, how many eggs does she need?

What is the ones digit of 39 x 39 x 39 x 39 x 39?

What is the greatest 4-digit number that has all of the following characteristics:

1. 1. It is an odd number

2. 2. The sum of the digits is 6

3. 3. Each digit is different

There are 15 tables in Christophe's Cafe. Some of these tables can seat 6 people, and the rest can only seat 4 people. If a maximum of 76 people can be seated at Christophe's Cafe, how many 6-people tables does the cafe have?

In the addition problem shown, each letter represents one digit. If the same letters represent the same digits and different letters represent different digits, what is the sum of A, B, and C?

A perfect cube is a number which is a cube of an integer. For example, 27 is a perfect cube because it is a cube of 3: 3 x 3 x 3 = 27. What is the largest 3-digit perfect cube?

Ms. Bullen, Ms. McCosh, Mrs. Brinson, Ms. Shelbaugh, Mrs. Fortman and Mrs. Fusco can grade all final tests in 4 hours. If each teacher works at the same rate, how many hours would it have taken for 8 teachers to grade the tests?