Problems of the Week - National Council of Teachers of Mathematics


1 - 20 of 266 results
	Title	Subject	Grade
	-D Vision When you fold up the given net of a cube, what shape is formed by the segments on the faces of the cube?	Pre-Algebra	6th to 8th
	A Cranberry Craving Use the pattern to find out how many cranberries Carissa ate on Thanksgiving Thursday.	Pre-Algebra	6th to 8th
	A Happy New Year Wish Explain how time differences are calculated and understood using longitude.	Pre-Algebra	6th to 8th
	A Holiday Gift for Grandmother Brown Determine the cost of the dishwasher and the contribution from each of five children.	Financial Education, Pre-Algebra	6th to 8th
	A Pound of Valentines Chocolates How long should a one pound box of chocolates last if Isolde eats it alone?	Pre-Algebra	6th to 8th
	A Quilt Made of Squares Using the information given, will the finished quilt be in the shape of a square?	Pre-Algebra	6th to 8th
	A Simple Reversal The product of 3 and 24 is 72. The sum of 3 and 24 is 27, which is the reverse of 72. Can you find other pairs of numbers such that their product is the reverse of their sum?	Math Fundamentals, Pre-Algebra	3rd to 5th
	A Snowy Driveway Usually Bertha and Gertrude shovel snow together. How long would it take Bertha to shovel the same amount alone?	Pre-Algebra	6th to 8th
	A Stellar Garden Martha Stewart wants to rebuild her ugly garden. She needs help calculating the areas in the new garden.	Pre-Algebra	6th to 8th
	A Surfers Tessellation Shane is re-tiling his surf shack. How many of each kind of tile will he need, and what does a big tile cost?	Pre-Algebra	6th to 8th
	Account Balances Will Tarak's and Nicholas's bank balances ever be exactly the same?	Financial Education, Pre-Algebra	6th to 8th
	Accounting for Age Given a number "trick," explain why the result is always the original number followed by your age.	Pre-Algebra	6th to 8th
	Accuracy Please Considering precision, accuracy, and appropriateness in finding the volume of a cone.	Pre-Algebra	6th to 8th
	All the Similar Triangles How would you place points D and E to make similar triangles?	Pre-Algebra	6th to 8th
	An Interesting Integer I'm thinking of a particular integer. It is a multiple of three, five and seven. No digit occurs more than once. Can you find my number?	Pre-Algebra	6th to 8th
	Anhs Code Decode the five mathematical operations symbolized in three equations, then evaluate an expression.	Pre-Algebra	6th to 8th
	Anjelicas Very Odd Magic Sweater Find the shortcut Angelica's mother might have used to calculate the number of dimes.	Pre-Algebra	6th to 8th
	Apple Picking Calculate the approximate cost of each apple at the pick-your-own orchard.	Pre-Algebra	6th to 8th
	At Least a Mile How many runs do the Phillies have to score before the base runners have covered a certain distance?	Pre-Algebra	6th to 8th
	Back Yard Trees How many different quadrilaterals can be formed by joining any four of the nine trees?	Pre-Algebra	6th to 8th
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