Investigate the different ways you could split up these rooms so that you have double the number. You can also solve problems about what happens when we add or take away different numbers! Asks students to solve problems using doubling and halving, and trebling and thirding strategy. What happens when you split an object or a few objects into different piles? Multiplication and Division Age 5 to 7 These lower primary tasks will help you to think about multiplication and division.

Follow Up Age 14 to 16 Challenge Level: The final question have 2 unknowns — and the instruction identifies that they involve doubling and halving. What do you notice about the sum of identical triangle numbers? Fractions Age 7 to 11 Explore the idea of fractions using these activities. Geoboards Age 5 to 7 This lower primary feature brings together activities which make use of geoboards.

Students are also introduced to the concept of proof.

Teaching should also cover boxes where the missing number is double one of the other numbers, and tripling and thirding too. In how many ways can solvingg halve a piece of A4 paper?

The activity asks students to solve problems, fill in missing numbers in equations using proportional adjustment and solve word problems.

# Doubling and halving | nzmaths

How can he do it? Follow Up Age 14 to 16 Challenge Level: He’d like to put the same number of plants hakving each of his gardens, planting one garden each day. If you already have an Education Sector user ID and password, you are ready to log in. Draw any triangle PQR.

Think Plan Communicate Mathematically Age 5 to They may need to be taught what a mind map is and what it looks like. The last 2 problems require some thinking. Filter by resource type problems game articles general resources EYFS Resources Lists Filter by age 5 to 7 7 to 11 11 to 14 14 to 16 16 to As students should already be xolving stage 6 before they attempt such an exercise, this should not cause problems for students, though work with large numbers should be forming part of the teaching.

This article, written by Dr. 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.

# Word problems with doubling and halving

Visualising at KS1 Age 5 to 7 These lower primary tasks all specifically draw on the use of visualising. Doubling Fives Age 5 to 7 Challenge Level: The number of plants in Mr McGregor’s magic potting shed increases overnight.

A simple visual exploration into halving and doubling. This is essential introductory algebra to build understanding of the language of mathematics. Geoboards Problwm 5 to 11 This feature brings together activities which make use of a geoboard or pegboard. How do you know they are halves?

Multiplication and Division Age 5 to 7 These lower primary tasks will help you to think about multiplication and division. Halving the Triangle Age 16 to 18 Challenge Level: Start with 1 x n, and double and halve from there.

## Doubling and halving

Happy Halving Hslving 5 to 7 Challenge Level: The first of two articles on Pythagorean Triples which asks how many right angled triangles can you find with the lengths of each side exactly a whole number measurement. Generalise properties of multiplication and division with whole numbers. Multiplying and Dividing Age 5 to 7 Try these problems, which are all about multiplying and dividing different numbers. Early Fraction Development Age 5 to 11 An article rpoblem activities which will help develop young children’s concept of fractions.

Use the resource finder. However, the concept of proof and the power of algebra can be followed up in discussions. Doubling and halving to hlaving factors Doubling and halving tripling and thirding etc is a very useful strategy for finding a full set of factors. Doubling and halving, and trebling and thirding can be used to make multiplication problems easier to solve.

Multiplication and Division KS1 Age 5 to 7 The tasks in this collection encourage lower primary children to look deeper at pfoblem and division.