Start with 1 x n, and double and halve from there. Draw any triangle PQR. The answers to question 10 suggests that students check their answers with others in their group, and explain why they think certain problems are easier or not easier using tripling and thirding etc. In how many ways can you halve a piece of A4 paper? Register for our mailing list. This activty involves using proportional adjustment to solve multiplication problems.
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…. Pythagorean Triples I Age 11 to 16 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. Adding and Taking Away Age 5 to 7 In these activities, you can practise your skills with adding and taking away. Cut and Paste Doubling and halving bingo 23KB. Problems 4 — 6 have the box on the left hand side of the equation, and involve students working in reverse. This is then repeated with letters.
Double Trouble Age 3 to 5 Doubling numbers. Fractions Age 5 to 7 The activities in this feature give you chance to explore fractions. These pictures were made by starting with a square, finding the half-way point on each side and joining those points up. Shaping It Age 5 to 11 Challenge Level: Will you be the first to reach the target? Start with 1 x n, and double and halve from there. Draw any triangle PQR. Doubling and halving, and trebling and thirding can be used to make multiplication problems easier to solve.
Exercise 2 Asks students to identify what problems are suitable to solve using the doubling and halving strategy. Asks students to generalise the doubling and halving strategy by introducing algebraic notation.
halbing Add this resource to one of your plans: Age 3 to 7 This article, written by Dr. Can you split each of the shapes below in half so that the two parts are exactly the same? Geoboards Age 5 to 11 This feature brings together activities which make use of a geoboard or pegboard.
More doubling and halving word problems
Generalise properties of multiplication and division with whole numbers. Bits of Things Age 5 to 7 What happens when you split an object or a few objects into different piles?
The activity asks students to solve problems, fill in missing numbers in equations using proportional adjustment and solve word problems. Addition and Subtraction KS1 Age 5 to 7 The lower primary tasks in this collection all focus on adding and subtracting.
Maths Search :
Use a range of multiplicative strategies when operating on whole numbers. Asks students to solve problems using doubling and halving, and trebling and thirding strategy.
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66 Matches for doubling halving
Multiplication and Division Age 5 to 7 These lower primary tasks will help you to think about multiplication and division. Throw the dice and decide whether to double or halve the number. In these activities, you can practise your skills with adding and taking away.
This is essential introductory balving to build understanding of the language of mathematics. Geoboards Age 5 to 7 This lower primary feature brings together activities which make use of geoboards. What do you notice about the sum of identical triangle numbers? Good discussion is warranted as a solvimg. However, the concept of proof and the power of algebra can be followed up in discussions. You could investigate your own starting shape.
Adding and Taking Away Age 5 to 7 In these activities, you can practise your skills with adding snd taking away. Pocket Money Age 11 to 14 Challenge Level: These are all straightforward and can use the doubling and halving strategy. Halvihg tasks in this collection encourage lower primary children to look deeper at multiplication and division. Multiplying and Dividing Age 5 to 7 Try these problems, which are all about multiplying and dividing different numbers.
Age 5 to 7 Challenge Level: