# NRICH PROBLEM SOLVING WITH FRACTIONS DECIMALS AND PERCENTAGES

Age 11 to 14 Challenge Level: They set off in opposite directions around a circular track. After this they all had the same number of counters. Can you find ways to make twenty-link chains from these smaller chains? This collection of resources is designed to help you to improve your understanding of topics in Number. Can you tell us what each of them will have?

Matching Fractions Age 7 to 11 Challenge Level: Age 7 to 11 Challenge Level: How long could he make his peaches last for? Repetitiously Age 11 to 14 Challenge Level: Counting Fish Age 14 to 16 Challenge Level: Repeat infinitely many times, and you have the Cantor Set. What is the sum of the denominator and numerator?

It would be nice to have a strategy for disentangling any tangled ropes If you play any note, twelve points higher will be exactly an octave on. An activity based on the game ‘Pelmanism’. Bargain Age 14 percentxges 16 Short Challenge Level: Working on these problems will help you develop a better understanding of fractions, decimals and percentages.

# Fractions KS2 :

Fractions Unpacked Age 5 to 11 In this feature we offer rich tasks to build learners’ deep conceptual understanding of fractions. Ben passed a third of his counters to Jack, Jack passed a quarter of his counters to Emma and Emma passed a fifth of her counters to Ben. Can you find different ways of showing the same fraction?

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This collection of resources is designed to help you to improve your understanding of topics in Number. What percentage of this orange drink is juice?

## Fractions KS2

Almost One Age 11 to 14 Challenge Level: Weekly Problem 43 – Rachel and Ross share a bottle of water. The Egyptians expressed all fractions as the sum of different unit fractions. Can you work out when this product is equal to an integer?

How will the pattern continue? To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice. Annie cut this numbered cake into 3 pieces with 3 cuts so that the numbers on each piece added to the same total. This collection of resources frractions designed to help students improve their understanding of topics in Number.

Keep an eye on your score – ending at around would be an excellent score. Witn you work out how many apples there are in this fruit bowl if you know what fraction there are?

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# Fractions, Decimals & Percentages :

Try this matching game and see. What fraction of customers buy Kleenz after the advertising campaign? Which route has the smallest product?

Which Fraction Is Bigger? Full Screen Version If you can see this message Flash may not be working in your browser Please see http: Now where’s the mark? More Lower Primary Fractions Age 5 to 7.

Fractions Unpacked – Progression hrich Fractions Through Problem Solving Age 5 to 11 The tasks in this group reflect a progression of ideas associated with fractions but crucially also offer opportunities for learners to develop their problem-solving and reasoning skills. Think of a number and follow my instructions.

## 1213 Matches for fractions problems

Farey Sequences Age 11 to 14 Challenge Level: An activity based on the game ‘Pelmanism’. This task offers opportunities witj subtract fractions using A4 paper.

Andy’s Marbles Age 7 to 11 Challenge Level: How much is left? Fractional Wall Age 7 to 11 Challenge Level: