Additional websites that I have used regularly are below:
https://whiterosemaths.com/homelearning?year=year-7
https://www.ilovepdf.com/split_pdf
https://www.tes.com/member/niccook
https://nixthetricks.com/Download.html
https://corbettmaths.com/5-a-day/gcse/
https://b28mathstutor.co.uk/clueless-about-calculators/
https://education.casio.co.uk/calculators/classwiz-product-range/
Y7U1 KO
Place Value & Rounding
Place value counters/cards/dice: https://mathsbot.com/manipulatives/placeValueCounters
Place value grid: https://mathsbot.com/tools/placeValue
Multi-base counting: https://mathsbot.com/grids/baseCounting
Counting in other bases: https://www.geogebra.org/m/Cz5myDUU
Changing Numbers in Base 10 to a Different Base: https://www.geogebra.org/m/SHZAGbdN
Y7U2 KO
DFP Equivalence
Positions on the Number Line by Fractions and Decimals: https://www.geogebra.org/m/Wn6gYc78
Locating fractions and decimals on a number line: https://www.geogebra.org/m/jTTGbHzC
MathsBot numberline: https://mathsbot.com/tools/numberLine
Decimal in Three Forms: https://www.geogebra.org/m/zNNzhFxe
Simple Addition and Subtraction with Number Line: https://www.geogebra.org/m/tVbfv9wY
Subtraction of decimals through Grid model: https://www.geogebra.org/m/zumey6kr
Finding Perimeter: https://www.geogebra.org/m/DvBn7rKg
MathsBot addition: https://mathsbot.com/doNows/addition
MathsBot place value counters: https://mathsbot.com/manipulatives/placeValueCounters
Y7U4 KO
Multiplication & Division (inc. Area)
MathsBot timestables: https://mathsbot.com/printables/timesTables
MathsBot multiplication: https://mathsbot.com/doNows/multiplication
MathsBot multiplication areas: https://mathsbot.com/activities/multiplicationAreas
MathsBot multiplication grids:Â https://mathsbot.com/starters/multiplicationGrids
Multiplying integers with number line: https://www.geogebra.org/m/v8qvbxye
Multiplication explained visually: https://www.geogebra.org/m/mx4rdjjt
MathsBot division: https://mathsbot.com/doNows/division
Area of triangles: https://www.geogebra.org/m/jmgu5t2z
Area of parallelograms: https://www.geogebra.org/m/NZzZa3v4
Y7U5 KO
Bar Models:
Fractions/Percentages of Amounts
MathsBot FDP equivalence: https://mathsbot.com/printables/commonFDP
Fraction of an amount: https://www.geogebra.org/m/nZA3Zvca
Find the percentage of the Part: https://www.geogebra.org/m/kv7fse2x
Y7U6 KO
Types of Numbers
MathsBot prime factor tiles: https://mathsbot.com/manipulatives/primeTiles
MathsBot prime factors, HCF & LCM: https://mathsbot.com/tools/primeFactors
MathsBot Sieve of Eratosthenes: https://mathsbot.com/activities/sieveOfEratosthenes
Triangular, oblong and square numbers: https://www.geogebra.org/m/ma96mq2V
Y7U7 KO
Directed Numbers
Adding/subtracting negative numbers on number line: https://www.geogebra.org/m/bfeauwcx
Multiplying integers with number line: https://www.geogebra.org/m/v8qvbxye
MathsBot directed number grid patterns: https://mathsbot.com/activities/negativePatterns
Y7U8 KO
Add-Sub Fractions
MathsBot fraction wall: https://mathsbot.com/manipulatives/fractionWall
Addition of fractions: https://www.geogebra.org/m/zGkwaJ73
Subtraction of fractions: https://www.geogebra.org/m/EK55dCFh
Y7U9 KO
Simplifying Calculations
MathsBot countdown: https://mathsbot.com/puzzles/countdown
Y7U10 KO
Sets & Probability
Y7U12 KO
Algebraic Notation
Y7U13 KO
Equality & Equivalence
Y7U14 KO
Geometry basics