He’d like to put the same number of plants in each of his gardens, planting one garden each day. 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. Problems 4 — 6 have the box on the left hand side of the equation, and involve students working in reverse. Te Kete Ipurangi Navigation: Fractions Age 7 to 11 Explore the idea of fractions using these activities.

The last 2 problems require some thinking. Addition and Subtraction Age 5 to 7 These lower primary tasks all involve addition, subtraction or both. What do you notice about the sum of identical triangle numbers? Geoboards Age 5 to 7 This lower primary feature brings together activities which make use of geoboards. Doubling and halving to find factors Doubling and halving tripling and thirding etc is a very useful strategy for finding a full set of factors.

Keep on Halving Age 16 to 18 Challenge Solvinv Halving the Triangle Age 16 to 18 Challenge Level: Multiplication and Division KS1 Age 5 to 7 The tasks in this collection encourage lower primary children to look deeper at multiplication and division.

Havling Fraction Development Age 5 to 11 An article describing activities which will help develop young children’s concept of fractions. Can you find other ways? They may need to be taught sk1 a mind map is and what it looks like. Doubling and halving Keywords: AO elaboration and rpoblem teaching resources Achievement Objective: Will you be the first to reach the target? These pictures were made by starting with a square, finding the half-way point on each side and joining those points up.

However, the concept of proof and the power of algebra can be followed up in discussions. Paper Halving Age 5 to 11 Challenge Level: The first few problems have the box on the right hand side of the equation, and all involve halving to find the number in the box.

Use a range of multiplicative strategies when operating on whole numbers.

# Doubling and halving | nzmaths

If not, you should register with the link below. In how many ways can you halve a piece of A4 paper?

Geoboards Age 5 to 7 This lower primary feature brings together activities which make use of geoboards. You could investigate your own starting shape.

Try adding fractions using A4 paper.

Problems 4 — 6 have the box on the left hand side of the equation, and involve students working in reverse. AO elaboration and other teaching resources. Practice exercises with answers PDF or Word. Having and Paste Doubling and halving bingo 23KB. Teaching should also cover boxes where the missing number is double one of the other numbers, and tripling and thirding too. Happy Halving Age 5 to 7 Challenge Level: What do you os1 about the sum of identical triangle numbers?

Developing Able Young Mathematicians Age 5 to 11 These activities are particularly good for challenging high-attaining primary children.

He’d like to put the same number of plants in each of his gardens, planting one garden each day. Try these activities to find out! A simple visual exploration into halving and doubling. If you already have an Education Sector user ID and password, you are ready to log in.

## Word problems with doubling and halving

This activity focuses on doubling multiples of five. Bits of Things Age 5 to 7 What happens when you split an object or a few objects into different piles?

Addition and Subtraction KS1 Age 5 to 7 The lower primary tasks in this collection all problek on adding and subtracting. Number Stage 3 Age 7 to 11 Challenge Level: