Number Sense Problems
The sum of ALL of the even prime numbers.
What is 2?
The number of sides a square, triangle, and 3 pentagons have combined, if none of the shapes overlap, or touch.
What is 22?
The value of x in the equation: 14x = 252 + 2x.
What is 21?
The product of 101 and 784.
What is 79184?
Sally can finish making a comic strip in 30 minutes. Her best friend, Tammy, wants to start a comic book business. She has a pre-order of 13 books. In each book, there should be 77 pages. Each page has exactly one comic strip. The time Sally will take to finish all 13 books (in minutes), assuming she works alone and is the only one doing the books.
What is 30030?
The distance between a number and 0. This is ___ __.
What is Absolute Value?
The number of diagonals a heptagon has.
What is 14?
Solve for 2x: 29 + 3x = x + 15.
What is -14?
Evaluate: 876 + 988 - 112.
What is 1752?
Tim and John are in the same class. One day, their teacher assigns a particularly hard piece of homework. Tim can finish his math homework in 12 hours. John can finish his math homework in 4 hours. The time that they take to do the homework together, in hours.
What is 3 hours?
The amount of even numbers between 11 and 91.
What is 40?
The height of a right triangle is 3, and the hypotenuse is 5. The area of the triangle is.
What is 6?
The value 3x in the equation: 13x + 42 + 16x - 14 = 21x + 4 + 24x.
What is 12?
The sum of all the positive numbers that can NOT be the sum of 2 other distinct positive whole numbers.
What is 3?
Peter Pan can fly at a rate of 15 mph (miles per hour). If he wants to fly along the perimeter of Never Land, which is 5685 miles, he will take ___ long, in hours.
What is 379?
728 in Binary.
What is 1110102?
The hypotenuse of a right triangle with two legs of 36 and 160.
What is 164?
Simplify the expression: x2 + 38 - 15x + x3 - 13x - 8 - 45.
What is x2 + x3 - 28x - 15?
The product of 568 and 125.
What is 71000?
Due to the holiday season, Jimmy's candy company, Jimmy's Sweets (Company A), gave a 30% discount at the checkout. Jacob's Candies (Company B), the competing candy store, gave a $30 discount on every single item, but no extra discount at the counter. Lenny wants to buy a $60 pack of chocolate bars, a $40 Giant Lollipop, and a $140 box of jumbo jelly beans. The positive difference of the two companies' prices.
What is 18?
212 + 722.
What is 5625?
The sum of the interior angles in a Hectogon (100-sided shape).
What is 17640?
The greatest value of x: x2 + 10x + 21 = 0.
What is -3?
The product of 16 and 26.
What is 1024?
8 workers can paint 6 rooms in 12 hours. The number of hours 24 workers will take to paint 24 rooms.
What is 16 hours?