Using the information given, can you replace the stars in the calculation with figures? Dice in a Corner Age 7 to 11 Challenge Level: Carrying Cards Age 7 to 11 Challenge Level: Choose two of the numbers to multiply or divide, then mark your answer on the number line. Cut it into different lengths.

Adam’s watch gains one minute every hour. Half Time Age 5 to 11 Challenge Level: A magician took a suit of thirteen cards and held them in his hand face down. What happens when you enter different numbers? Age 5 to 11 Challenge Level:

Can you prove it to be true for a rectangle or a hexagon? Read Lynne’s article which discusses the place of problem solving in the new curriculum and sets the scene. Register for our problek list.

# Problem-solving Skills :

How could he have put them into three piles so that the total in each pile was 15? These rectangles have solvinb torn.

Use the interactivity to move Mr Pearson and his dog. The tasks in this collection can be used to encourage children to convince others of their reasoning, using ‘because’ statements. Multiplication and Division KS2.

On a digital clock showing 24 hour time, over a whole day, how many times does a 5 appear? Compare the results for Register for our mailing list.

Each light in problme interactivity turns on according to a rule. Can you find out enough to guarantee a win, no matter what the settings? You could try for different numbers and different rules.

Spin the spinner and identify which jobs can be done with the measuring tool shown. Tasks for KS2 children sovling focus on working systematically.

Finding Fifteen Age 7 to 11 Challenge Level: Counting Cogs Age 7 to 14 Challenge Level: What do you notice? Can You Do it Too?

## Area and Perimeter KS2

Have you activitjes wondered what it activitied be like to race against Usain Bolt? Magic Vs Age 7 to 11 Challenge Level: Then we build around that red cube with blue cubes and so on. Scroll down to see our complete collection of KS2 problems that require children to work systematically, or explore the two sub-collections focusing on important aspects of systematic working.

Sweets in a Box Age 7 to 11 Challenge Level: 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. An investigation involving adding and subtracting sets of consecutive numbers. This group activity will encourage you to share calculation strategies and to think about which strategy might be the most efficient.

This feature draws together tasks which give learners opportunities to reason for different purposes. How are they related?

What Do You Need? Can you find some more abundant numbers? Register for our mailing list. This multiplication uses each of nrkch digits 0 – 9 once and once only. Four bags contain a large number of 1s, 3s, 5s and 7s. How Do You Do It?