# NRICH SUBTRACTION PROBLEM SOLVING KS1

Can you find some paths of your own? Lots to find out, lots to explore. Biscuit Decorations Age 5 to 7 Challenge Level: Got It Age 7 to 14 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.

Can you work out where their counters will land? Subtraction Surprise Age 7 to 14 Challenge Level: Can they make their lines the same length? Fifteen Cards Age 7 to 11 Challenge Level: What is the smallest number of coins needed to make up 12 dollars and 83 cents? Butterfly Flowers Age 5 to 7 Challenge Level:

How quickly can you put back the numbers on the hundred square?

## Counting and Ordering KS1

Secret Number Age 5 to 7 Challenge Level: Can you use the information to find out which cards I have used? Age 5 to 7 Challenge Level: She bought four times as many pens as pencils and was given 40p change.

What could the half time scores have been in these Olympic hockey matches? Growing Garlic Age 5 to 7 Challenge Level: Register for our mailing list. This big box adds something to any number that goes into it. Can you use the information to find out when Kate was born?

NICK SOUSANIS THESIS

# The Puzzling Sweet Shop :

The tasks in this collection encourage children to create, recognise, extend and explain number patterns. Which stamps would you need to post a parcel weighing g?

What numbers of total spots can you make? This task combines spatial awareness with addition and multiplication.

Robot Monsters Age 5 to 7 Challenge Level: There were chews for 2p, mini eggs for 3p, Chocko bars for 5p and lollypops for 7p in the sweet shop. What numbers could be solvjng the envelopes? There are also nine houses, three of each colour.

George and Jim want to buy a chocolate bar. The winner is the first to make the total Which comes next in each pattern of dominoes?

# Adding and Subtracting :

How Do You See It? How many different trains can you make?

In Sam and Jill’s garden there are two sorts of ladybirds with 7 spots or 4 spots. Stop the Clock Age 5 to 7 Challenge Level: Reach Age 7 to 14 Challenge Level: What are the secret jumps they make with their counters?

ESSAY ON PT USHA IN TELUGU

## Addition and Subtraction KS1

How could you arrange at least two dice in a stack so that the total of the visible spots is 18? Try grouping the dominoes in the ways described. Can you hang weights sooving the right place to make the equaliser balance?

Ben and his mum are planting garlic. Try grouping the dominoes in the ways described.

What Was in the Box? Number Talks Age 3 to 5 Recognising, creating and describing patterns with numbers. Which way should you go to collect the most spells? In this game for two players, the idea is to take it in turns to choose 1, 3, 5 or 7.