## NRICH PROBLEM SOLVING KS1 MULTIPLICATION

### NRICH PROBLEM SOLVING KS1 MULTIPLICATION

Alf describes how the Gattegno chart helped a class of year olds gain an awareness of place value and of the inverse relationship between multiplication and division. This article for primary teachers outlines how using counters can support mathematical teaching and learning. On Friday the magic plant was only 2 centimetres tall. In how many different ways can they build their houses? Nim-7 game for an adult and child.

In how many different ways can they build their houses? 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. Find all the numbers that can be made by adding the dots on two dice. Generalising Age 5 to 11 These tasks give learners chance to generalise, which involves identifying an underlying structure. Triangle Animals Age 5 to 7 Challenge Level: Opening up Problems Age 5 to 16 All types of mathematical problems serve a useful purpose in mathematics teaching, but different types of problem will achieve different learning objectives. How many different triangles can you draw on the dotty grid which each have one dot in the middle?

Use these head, body and leg pieces to make Robot Monsters which are different heights.

# The Puzzling Sweet Shop :

Chairs and Tables Age 5 to 7 Challenge Level: How many different ways can you find to join three equilateral triangles together? Age 7 to 11 Working Backwards at KS2 The upper primary tasks in this collection could each be solved by working backwards. Difficulties with Division Age 5 to 11 This article for teachers looks at how teachers can nruch problems from the NRICH site to help them teach division.

Nim-7 Age 5 to 14 Challenge Level: Throw the dice and decide whether to double or halve the number. Generic Proof Age 5 to 11 Here we have gathered together tasks which focus on generic proof. These upper primary tasks could all be tackled using a trial and improvement approach. The tasks in this collection encourage lower primary children to conjecture and generalise. Find all the numbers that can be made by adding the dots on two dice.

RESPOSTAS HOMEWORK WIZARD W4

These activities lend themselves to systematic working in the sense that it helps if you have an ordered approach. This activity focuses on doubling multiples of five. Pairs of Legs Age 5 to 7 Challenge Level: Nim-7 game for an adult and child.

## 107 Matches for age 3 to 5 for basic multiplication facts

Multiplication and Division Age 5 to 7 These lower primary tasks will help you to think about multiplication and division. Can you put them on the map of Teddy Town according to the rules? Games Age 5 to 11 Games primary teachers. Activities on the Gattegno Chart Age 5 to 11 In multiplicahion article, Alf outlines six activities using the Gattegno chart, which help to develop understanding of place value, multiplication and division.

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.

First they were counting in twos. These articles will support primary sooving as they develop children’s understanding of number and calculation. How many circles would I need to make the next size up for each?

Create a pattern on the left-hand grid.

Illustrating Nricy Properties with Arrays Age 5 to 11 This article for teachers describes how modelling number properties involving multiplication using an array of objects not only allows children to represent their thinking with concrete materials.

GEOMETRY HOMEWORK 1.2.5

Alf describes how the Gattegno chart helped a class multipkication year olds gain an awareness of place value and of the inverse relationship between multiplication and division. This problem challenges you to find out how many odd numbers there are between pairs of numbers. Age 7 to 11 Reasoning and Convincing at KS2 The tasks in this collection can be used to encourage children to convince others of their reasoning, by first convincing themselves, then a friend, then a ‘sceptic’.

Proof by Logical Argument Age 5 to 11 These tasks are useful contexts in pgoblem to explore proof by logical argument.

Magic Plant Age 5 to 7 Challenge Level: Difficulties with Division Age 5 to 11 This article for teachers looks at how teachers can use problems from the NRICH site to help them teach division.

Age 5 to 7 Challenge Level: Find a great variety of ways of asking questions which make 8. Illustrating Number Properties with Arrays Age 5 to 11 This article for teachers describes how modelling number properties involving multiplication using an array of objects not only allows children to represent their thinking with concrete materials. Age 7 to 11 Visualising at KS2 These upper primary tasks all specifically draw on the use of visualising. Multiplication and Division KS1 Age 5 to 7 The tasks in this collection encourage lower primary children to look deeper at multiplication and division.