Geoboards Age 5 to 11 This feature brings together activities which make use of a geoboard or pegboard. For question 10 students should identify that doubling and halving is a useful strategy when both numbers are even — to start with, but this question deserves more discussion, as simply doubling and halving may not necessarily produce a question that is easier to do…. Addition and Subtraction Age 5 to 7 These lower primary tasks all involve addition, subtraction or both. Happy Halving Age 5 to 7 Challenge Level: Developing Able Young Mathematicians Age 5 to 11 These activities are particularly good for challenging high-attaining primary children.

Question 11 requires students use a mindmap to show their answer. Practice exercises with answers PDF or Word. Addition and Subtraction KS1 Age 5 to 7 The lower primary tasks in this collection all focus on adding and subtracting. Problems 4 — 6 have the box on the left hand side of the equation, and involve students working in reverse. In these activities, you can practise your skills with adding and taking away.

These pictures show squares split into halves.

Cut and Paste Doubling and halving bingo 23KB. Adding and Taking Away Age 5 to 7 In these activities, you can practise your skills with adding and taking away.

Students are also introduced to the concept of proof. How can he do it?

For question 10 students should identify that doubling and halving is a useful strategy when both numbers are even — to start with, but this question deserves more discussion, as simply doubling and halving may not necessarily produce a question that is easier to do…. Room Doubling Age 7 to 11 Challenge Level: The tasks in this collection encourage lower primary children to look deeper at multiplication and division. Number Stage 2 Age 5 to 7 Challenge Level: Throw the dice and decide whether to double or halve the number.

# Doubling and halving | nzmaths

Try these activities to find out! Register for our mailing list. If you already have an Education Sector user ID and password, you are ready to log in. Difficulties with Division Age 5 to 11 This article for hxlving looks at how teachers can use problems from the NRICH site to help them teach division.

Age 3 hhalving 7 This article, written by Dr. Doubling and halving, and trebling and thirding can be used to make multiplication problems easier to solve. A TKI account lets you personalise your experience – enabling you to save custom homepage layouts, create kete, and save bookmarks and searches.

Investigate the different ways you could split up these rooms so that you have double the number. Geoboards Age 5 to 11 This feature brings together activities which make use of a geoboard or pegboard.

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

This is then repeated with letters. Te Kete Ipurangi Navigation: Visualising at KS1 Age 5 to 7 These lower primary tasks all specifically draw on doublkng use of visualising.

A simple visual exploration into halving and doubling. Students who do not read this instruction could find they cannot do them, unless they assume that they have been doubled and halved. Will you be the first to reach the target? This could prove tricky for some students.

## 66 Matches for doubling halving

Here are some challenges that you can work on and then see if you can convince someone that your solutions are right! Pocket Money Age 11 to 14 Challenge Level: What happens when you split an object or a few objects into different piles? Problems 4 — 6 have the box on the left hand side of the equation, and involve students working in reverse.

Question 11 requires students use a mindmap to show their answer. Asks students to solve problems using doubling and halving. Generalise properties of multiplication and division with whole numbers.

Working Backwards at KS1 Age 5 to 7 The lower primary tasks in this collection could each be solved by working backwards.

He’d like to put the same number of plants in each of his gardens, planting one garden each day.