## PROBLEM SOLVING DOUBLING KS1

Happy Halving Age 5 to 7 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. If you already have an Education Sector user ID and password, you are ready to log in. How can he do it? Good discussion is warranted as a follow-up. This activty involves using proportional adjustment to solve multiplication problems.

Doubling and halving, and trebling and thirding can be used to make multiplication problems easier to solve. Number Stage 2 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. 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. Can you split each of the shapes below in half so that the two parts are exactly the same? This activity focuses on doubling multiples of five. 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. The activity asks students to solve problems, fill in missing numbers in equations using proportional adjustment and solve word problems. Halving the Triangle Age 16 to 18 Challenge Level: AO elaboration and other teaching resources Achievement Objective: 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.

In these activities, you can practise your skills with adding and taking away. Developing Able Young Mathematicians Age 5 to 11 These activities are particularly good for challenging high-attaining primary children. 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. What do you notice about the sum of identical triangle numbers?

Can you split each of the shapes below in half so that the two parts are exactly the same? This could prove tricky for some students. Register for our mailing list. Multiplication and Division KS1 Age 5 to 7 The tasks in this collection encourage lower primary children to look deeper at multiplication and division.

# Doubling word problems

Halving Age 5 to 7 Challenge Level: Fractions Age 7 to 11 Explore the idea of fractions using these activities. Room Doubling Age 7 to 11 Challenge Level: Asks students to solve problems using doubling and halving, and trebling and thirding strategy.

Teaching should also cover boxes where the missing number is double one of the other numbers, and tripling and thirding too. You’ll find money, length and time here. A simple visual exploration into halving and doubling. These pictures show squares split into halves. Here are some challenges that you can work on and then see if you can convince someone that your solutions are right!

Investigate the different ways you could split up these rooms so that you have double dooubling number. Asks students to generalise the doubling and halving strategy by introducing algebraic notation.

## Doubling and halving

He’d like to put the same number of plants in each of his gardens, planting one garden each day. Asks ls1 to solve word problems. Asks students to solve problems using doubling and halving. Use the resource finder.

Doubling and halving, and trebling and thirding can be used to make multiplication problems easier to solve. Students are also introduced to the concept of proof. Porblem and Subtraction Age 5 to 7 These lower primary tasks all involve addition, subtraction or both. These pictures were made by starting with a square, finding the half-way point on each side and joining those points up.

# Doubling and halving | nzmaths

The number of plants in Mr McGregor’s magic potting shed increases overnight. This task offers opportunities to subtract fractions using A4 paper. Baskets Age 3 ;roblem 5 Counting reliably Solving problems, including doubling, halving and sharing.

Age 3 to 7 This article, written by Dr.