# AllelyUK's Shop

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#### Codebreaker - Prime Factorisation

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A codebreaker in the popular format. Students should convert numbers into prime factor index form to decode the answer to a bad joke (I no longer hate facial hair because it grew on me). I had found plenty of other codebreakers on similar topics but not one specifically on prime factorisation so hopefully this is of use.

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Shade cells containing a fraction equivalent to the simplest form fractions to reveal a pixel image. The worksheets become gradually more complex and are a moderately engaging fluency task. The file names tell you what the image should ultimately show!

#### Linear Equations Maze

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Solve linear equations to find your way through mazes. Move horizontally or vertically into cells that solve to give the same value of ‘x’. Worksheets start very easy and move on to slightly harder sheets with negative values of ‘x’. It’s anticipated that many students will use basic substitution to solve these mazes. If you intend to discourage this then be clear about expectations about what working out should be shown. A natural (but slightly dull) extension activity is to ask students who quickly find the correct path to solve all of the cells in the maze. I would personally ask “which equation solves for the highest/lowest value of ‘x’” as this is a task that’s slightly more engaging.

#### Codebreaker - Ordering Directed Numbers

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A codebreaker in the popular format based around ordering positive and negative numbers (directed numbers). Answering the questions and decoding provides the punchline to a bad joke (it was a freebie). I’ve found plenty of other codebreakers online for directed numbers but none specifically on the foundational skill of ordering them so hopefully this is of use to someone out there. There’s plenty of discerning understanding of place value (including decimals) with directed numbers and one question that involves fractions.

#### Codebreaker - Reverse Compound Growth & Decay

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A codebreaker in the popular format. Students should reverse the compound interest (repeated percentage growth) or compound decay (repeated percentage decay) and use the answer to decode a joke. As always, I only create codebreakers when I can’t find one that does exactly the same thing so hopefully someone else out there was looking for one that does what I’ve made this one for.

#### Collecting Like Terms - Algebra-search

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A “wordsearch” that operates by collecting like terms. A series of expressions are given and the students must find a line (horizontal, vertical or diagonal) that simplifies to that expression when like terms are collected. The resource includes a series of progressively more difficult grids to figure out.

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An enlargment (with centre) worksheet. When enlarged the pieces form a “Space Invader”. All co-ordinates are in the first quadrant. There are a couple of negative unit enlargements. The Geogebra file is included - however - should you wish to move everything to straddle the x &amp; y axis.

#### Codebreaker - Evaluating Terms of Sequences

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A codebreaker in the popular format. Students should evaluate the first/last term in a sequence to be greater than/less than a given amount etc. to decode the answer to a bad joke (I can’t put my book down because it’s about anti-gravity) I had found plenty of other codebreakers on similar topics but not one specifically focused on evaluating terms so hopefully this is of use to people!

#### Colour by Percent of Amount (Calculator)

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Calculate the percentage of an amount (calculator) of each expression and colour the segment accordingly. Once completed a final question to answer is revealed. This is specifically designed for lower ability groups as a more engaging alternative to a traditional worksheet or as a light revision activity for students of any ability level. All questions within are integer percentages and all amounts are multiples of 10 (though most expression answers are decimals).

#### Wipeout - Definitely NOT Prime Numbers

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Based on the old BBC quiz (with Bob Monkhouse). There are some numbers on the board that MAY be prime numbers. The objective is for students to ‘bid’ on how many numbers they can see that are definitely NOT prime numbers. This activity is intended for use as a plenary - it relies on knowledge of prime numbers but also tests students knowledge of some basic divisibility tests (all of the non-prime numbers can be divided by easily checked numbers like 3 or 4). I’ve also included the slides in a “matching cards” format that can be cut out and given to students to sort into “true” or “false” on their desks (or in small groups).

#### Wheels - Surds

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The inner and outer wheels each contain a value in surd format. Multiply the inner and outer numbers in each segment to find 3 different surds. Turn the inner wheel to change the combinations and find the wheel setting that results in all three segments multiplying together to give the same surd. I’ve made each resource twice - once designed to be just printed and once where the inner wheels can be cut out and pinned to the outer wheels using paper fasteners (solutions can be found in the “cutting version”) My main motivation in making this resource was to present a rich problem solving activity for the topic in a visually novel format.

#### Capture the Squares - Averages

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Capture the squares is a game intended for 2-3 players. Each takes turns drawing a horizontal or vertical line. When the fourth line around a square is drawn on the page, the player who placed that line takes the square. The maths twist is that the squares have different values. Players must solve the expression inside the square to find the value. In this case the value of squares is found by calculating the average of 3-5 values. Worksheets escalate in difficulty. Starting with positive &amp; negative integers and then moving through 1/2 fractions and then onto fractions/decimals as small as 1/4 increments.

#### Midpoint coordinates Mazes

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Move from square to square - only if the co-ordinates correctly indicate the midpoint of a line segment. Find the path through from the top left hand corner to the bottom right. Incorrect midpoints are designed to highlight several popular misconceptions (e.g. calculating the average within the co-ordinates for A to get the ‘x’ co-ordinate for the midpoint and within the co-ordinates for B to get the ‘y’ co-ordinate for the midpoint, ignoring negative numbers when calculating the average, calculating the difference between the start and end co-ordinates but not adding this to the starting co-ordinates etc.) The first maze only features co-ordinates in the first quadrant but subsequent mazes feature co-ordinates in all 4 quadrants.

#### Capture the Squares Linear Equations

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A series of ‘capture the squares’ games where the square value is the missing x or y co-ordinate when the linear equation of y = mx + c is given. Can be used to consolidate learning, revision or as bell work. Games start basic and increase gradually in difficulty. I have published many similar capture the squares games here on TES for other topics. I believe they offer a flexible revision activity.

#### Snake Fractions Ordering

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“Snake” through a 10x10 grid of fractions from the smallest to the largest (effectively putting all of the fractions in the grid into ascending order). This is designed as a fluency task with a higher level of challenge. Often fractions that must be compared will have co-prime denominators.

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Shade (or don’t shade) the segments of the image based on whether the expression within evaluates to a positive or a negative number (directed number). This resource also contains a second hidden hidden activity - shade the segments where the absolute value of the expression within is less than 20 to reveal a second (different) image). Expressions are a mixture of addition, subtraction, multiplication and division.

#### Wheels - Linear Equations between points

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Turn the inner wheel to change the combinations of co-ordinates. Each combination of co-ordinates can be used to determine the equation of a straight line. Find the wheel setting that results in three straight lines that intersect at a single point. I’ve made the resource twice - once designed to be just printed and once where the inner wheels can be cut out and pinned to the outer wheels using paper fasteners (solutions can be found in the “cutting version”) My main motivation in making this resource was to present a rich problem solving activity for the topic in a visually novel format. There are a couple of extension questions for high ability students to consider.

#### Grid Fit - Evaluating Terms of Sequences

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Fit the numbers and labels into the grid to form 6 different arithmetic sequences that satisfy the labels. This is designed as a problem solving task for students who have been taught how to evaluate whether a given value is a term within a sequence.

#### Capture the Squares Trigonometry

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A series of ‘capture the squares’ games where the square value is the missing angle ABC. Angle ABC can often be determined by sketching the triangles and examining the sketch but it is intended that students use trigonometric ratios - specifically the task is intended to provide fluency work using the tangent ratio - to find the missing angle. Can be used to consolidate learning or as bell work.

#### Capture the Squares - Coins

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Capture the squares is a game intended for 2-3 players. Each takes turns drawing a horizontal or vertical line. When the fourth line around a square is drawn on the page, the player who placed that line takes the square. Each square on this worksheet is a coin.