Clothesline Math – The Master Number Sense Maker. Visual Patterns. NRich Fractions search. The Greedy Algorithm Age 11 to 14 Challenge Level: The Egyptians expressed all fractions as the sum of different unit fractions. The Greedy Algorithm might provide us with an efficient way of doing this. Farey Sequences There are lots of ideas to explore in these sequences of ordered fractions. Keep it Simple Can all unit fractions be written as the sum of two unit fractions? Fractional Wall Age 7 to 11 Challenge Level: Using the picture of the fraction wall, can you find equivalent fractions?
Egyptian Fractions The Egyptians expressed all fractions as the sum of different unit fractions. Fractions Jigsaw A jigsaw where pieces only go together if the fractions are equivalent. Complex Partial Fractions Age 16 to 18 Challenge Level: To break down an algebraic fraction into partial fractions in which all the denominators are linear and all the numerators are constants you sometimes need complex numbers.
Fractions Unpacked Age 5 to 11 Ratio Sudoku 1 Age 11 to 16 Challenge Level: A Sudoku with clues as ratios. Problem Solving. This feature is somewhat larger than our usual features, but that is because it is packed with resources to help you develop a problem-solving approach to the teaching and learning of mathematics. Read Lynne's article which discusses the place of problem solving in the new curriculum and sets the scene. In the second article, Jennie offers you practical ways to investigate aspects of your classroom culture and in the third article, she suggests three ways in which we can support children in becoming competent problem solvers.
The fourth article builds on the third by discussing what we mean by problem-solving skills and how NRICH can help children develop these skills. Scroll down to see groups of tasks from the site which will give learners experience of specific skills. Is problem solving at the heart of your curriculum? In this article for teachers, Lynne explains why it should be. This article offers you practical ways to investigate aspects of your classroom culture. Can you solve these 5 TED-Ed riddles? Riddles can be relaxing — or devilishly difficult. Ready to tackle some brain teasers? Watch the 5 TED-Ed Lessons below. 1. Can you solve the temple riddle? Your expedition finally stands at the heart of the ancient temple. 2. Taking that internship in a remote mountain lab might not have been the best idea. 3. You and nine other individuals have been captured by super-intelligent alien overlords. 4. Before he turned physics upside down, a young Albert Einstein supposedly showed off his genius by devising a complex riddle involving a stolen exotic fish and a long list of suspects. 5.
One hundred green-eyed logicians have been imprisoned on an island by a mad dictator. MathPickle | Put your students in a pickle! Year 5 & Year 6 Topical Maths Problems | Free Resource. Free Maths Puzzles - MathSphere. How to Create a Biking or Walking Route Map in Google Maps. Miscellaneous. Sparking Curiosity For Fractions With Tasks That Feel Real to Students | MindShift | KQED News. Fractions come up all the time in everyday life, and yet, they are often a difficult concept for elementary school-aged children to grasp. One way to help kids understand fractions as concrete things is to give them real world examples. In this Teaching Channel video, third grade teacher Maria Franco teaches a lesson on equivalent fractions in which she tries to give more space for student thinking and discussion. Instead of asking all the questions, Franco says, “I’m going to see how you guys work by yourselves.” She’s circling the room, listening for understanding and interesting solving problem techniques.
“You came up with you own idea. Understanding Fractions through Real-World Tasks from Teaching Channel on Vimeo. Katrina Schwartz Katrina Schwartz is a journalist based in San Francisco.