# Secondary maths - Laura Rees Hughes Tarsia collection

Resources | Published 21 November, 2011

#### TES Secondary maths resource collections

Collection Author: Craig Barton - Maths AST and creator of www.mrbartonmaths.com (TES Name: mrbartonmaths)

We waited a long time to be able to upload Tarsia jigsaws to TES, and now they are here they just keep coming. Vistors to the Maths Collection Page will already be aware of Tarsia Collections by Gill Hillitt,Alan Catley and Chuckieirish and now comes this fresh collection from Laura Rees Hughes

Tarsia resources are excellent to use in the tradiotnal way, but with a few twists applied they can be turned into a very rich and challenging resource. Next time you do one, maybe try some of the following:

• Leave out an answer and get students to work it out
• Leave out a question and challenge students to figure out what the question was
• Leave out a jigsaw piece altogether and see if your students can figure out what it was
• Make a deliberate mistake
• Encourage students to create their own Tarsias for revision (and then upload them to TES!)

Below is Laura’s excellent collection of Tarsia resources, where she has also added a few lines of description about each one. I would also like to draw your attention to Laura’s Maths Blog as it is definitely worth a read.

#### Number

Rounding to Decimal Places and Significant Figures

• Jigsaws which require pupils to correctly round numbers to a given decimal place or significant figures. Differentiated into two levels, the easier version just uses decimal places, the harder versions uses significant figures as well.

Introduction to Ratio

• Jigsaw with statements which pupils must match to the equivalent ratio, several require simplifying. I have given this to pupils before telling them anything about ratio and watch them figure it out for themselves!

Number Types Revision

• Jigsaw with questions on factors, multiples, primes, prime factor decomposition, HCF and LCM. Suitable for Foundation GCSE.

Writing Fractions – Low Ability

• Jigsaw which requires pupils to match a statement to the corresponding fraction. For example ‘9 out of ten’ matches to 9/10. Good for low ability pupils to understand the notation. Some simplification needed but very basic.

Percentage and Fractions of an Amount

• Jigsaw requiring pupils to calculate percentages and fractions of a given quantity. Differentiated into two levels, easier questions work with simpler fractions and percentages whereas harder questions require more difficult calculations.

Calculating Fractions and Percentages

• Jigsaws with questions on calculating fractions and percentages of amounts. Differentiated with an easy and a hard version, harder version contains some increase and decrease questions.

Simplifying Indices

• Jigsaw with questions which require pupils to simplify expressions with indicies, multiplication and division included.

Fractional and Negative Indices

• Jigsaw with questions which require pupils to work out fractional and negative indicies, focusing on square roots and cube roots.

#### Algebra

Simplifying Algebra

• Jigsaw which fits together as a doughnut with questions on simplifying and substituting into expressions. Give each pupil a piece and get them to form the doughnut in the middle of the room - nice starter or plenary.

Factorising

• Jigsaws on factorising, differentiated into two levels. Easy one contains no powers whereas harder version contains algebra with indicies.

Substituting into Expressions

• Jigsaw where pupils must substitute values into expressions to work out the correct answers. Differentiated into two levels, easy questions are at most 2 step, harder questions are 3 step.

Solving Equations

• Jigsaw requiring pupils to solve equations to match up the jigsaw. Differentiated into two levels, the easy version contains at most two step equations with whole number answers. The hard version contains three step equations with some decimal answers.

• Jigsaw requiring pupils to identify the constants a, b and c from a quadratic. A good starter before they begin to substitute the values into the formula. Differentiated into two levels, easier one focuses on simple quadratics with some negatives, harder version questions require some rearranging.

#### Shape, Space and Measure

Introduction to Area and Measures

• Jigsaws with questions recapping over the basic definitions and formulae needed when beginning area and measures. Higher and Foundation version allowing you to differentiate within the class.

Area and Surface Area

• Jigsaw with worded questions (no pictures) on the area and surface area of 2d and 3d shapes - foundation shapes only.

Compound Area

• Dominoes with questions on the area of compound shapes and cut out shapes (circle with smaller circle missing etc). Images may need loading into the tarsia file the first time you open it.

Imperial to Metric Conversions

• Jigsaws with questions on converting imperial and metric measures. Differentiated into two levels, easier version just deals with main conversions whereas harder version requires more knowledge and two step conversions.

#### A Level

Decision 1 Revision

• Jigsaw revising the key terms and definitions from Decision 1.

Parametric Differentiation

• Jigsaw with questions on parametric differentiation. Pupils are given the parametric equations and they must differentiate them and simplify if appropriate to match to the correct answer.

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