2023-24 - Challenge Set #5

20 x 22 = ?

Given that one-third of a number is 12, what is one-fourth of the number?

What is the greatest 3-digit integer that is a multiple of 8?

Reggie has two bookshelves side by side. There are 45 books on the left bookshelf and 23 books on the right bookshelf. How many books should Reggie move from the left bookshelf to the right bookshelf so that both bookshelves have the same number?

Eleven 1-inch cubes are glued together to form the solid figure below. What is the surface area of the solid figure?

If Adam multiplies his age by 4, he will get his grandpa's age. Adam's grandpa is 51 years older than Adam. How old is Adam?

The floor of Cole's bedroom is in the shape of a square, and its perimeter is 48 ft. How many 2 ft x 1 ft rectangular tiles does Cole need to cover the floor completely?

Two whole numbers are written on the board. The product of their sum and their difference is 23. What is the larger of the two numbers?

Nata makes 5 ice cream cones for her friends. She uses 3 different toppings: sprinkles, cherries, and caramel. She puts exactly 2 different toppings on each ice cream cone. If 3 ice cream cones have sprinkles and 4 ice cream cones have cherries, how many ice cream cones have caramel?