Reflections | GCSE Maths Grade 3 Walkthrough

Reflect shapes in a mirror line, in the x-axis and y-axis, in lines like x = 4 and y = -3 and in the line y = x, then describe a reflection fully. All 20 questions on the GCSE Grade 3 Reflections worksheet, worked through step by step. 📄 Download the free worksheet (exam style, answers included): https://effectiveeducation.online/wor... ✏️ Then practise with GCSE-style questions that mark your answers instantly: https://effectiveeducation.online In this video: • Reflecting a shape in a mirror line on a grid • Reflecting in the x-axis and the y-axis • Drawing the line x = a or y = b first, then counting squares • A mirror line that runs through the shape • Reflecting in the line y = x • Describing a reflection fully - finding the mirror line • GCSE exam-style questions - the equation of a mirror line, spotting the mistake, the image of a point Chapters: 0:00 Q1 Reflect in a mirror line 0:30 Q2 Reflect a triangle sitting on the mirror line 0:51 Q3 Reflect in the y-axis 1:20 Q4 Reflect in the x-axis 1:49 Q5 Reflect a point in the y-axis 2:18 Q6 Reflect in the line x = 4 2:51 Q7 Reflect in the line y = -3 3:28 Q8 Reflect in x = 3, a line through the shape 4:06 Q9 Reflect in the line y = 4 4:31 Q10 Reflect a point in the line x = 3 4:59 Q11 Describe a reflection in the x-axis 5:27 Q12 Describe a reflection in the y-axis 5:50 Q13 Reflect in the line y = x 6:41 Q14 Find the mirror line, y = 3 7:12 Q15 Reflect a point in the line y = x 7:41 Q16 Reflect in a mirror line and give its equation 8:20 Q17 Describe a reflection in the line y = x 8:54 Q18 Spot the mistake - x = 4 or y = 4? 9:22 Q19 Find the mirror line, y = -x 10:08 Q20 Reflect in x = -2 and find the image of a vertex #GCSEMaths #Reflections #MathsRevision