Problem Solving Place the whole numbers 1 through

Problem Solving Place the whole numbers 1 through 9 in the circles in the accompanying triangle so that the sum of the numbers on each side is 17.

Problem Solving Scott and Greg were asked to add two whole numbers. Instead, Scott subtracted the two numbers and got 10, and Greg multiplied them and got 651. What was the correct sum?

Problem Solving Using the symbols +, �, x and ÷, fill in the following three blanks to make a true equation (a symbol may be used more than once). 6 ___ 6 = 13

Problem Solving A multiple of 11 I be, not odd, but even, you see. My digits, a pair, when multiplied there, make a cube and a square out of me. Who am I?

Problem Solving In the following cryptarithm (a collection of words where the letters represent numbers) sun and fun represent two three-digit numbers, and swim is their four-digit sum. Using all of the digits 0, 1, 2, 3, 6, 7 and 9 in place of the letters where no letter represents two different digits, determine the value of each letter. sun + fun swim

Problem Solving In the figure below (called an arithmogon), the number that appears in a square is the sum of the numbers in the circles on each side of it. Determine the numbers that belong in the circles. 41 49 36

Problem Solving Using the numbers 1 through 8, place them in the following eight squares so that no two consecutive numbers are in touching squares (touching includes entire sides or simply one point).