Mission 07 · QD-001 · Algebra
Expanding Double Brackets
Learn the method, practise it in stages and prove mastery with a final quiz. Everything for this node is collected on one page.
40-minute lessonComplete teaching sequence
60 questionsBronze, Silver and Gold
10–25 minsPer worksheet stage
Full solutionsFor every practice set
Step 1 · Learn
Watch the complete lesson
Work through the examples alongside the video. Pause when prompted and write out each line of working.
01Watch
02Practise
03Assess
04Correct
Step 2 · Practise
Build mastery in three stages
Each stage has a clear purpose, expected completion time and a separate worked-solutions file.
Bronze
Foundation fluency
Bronze Worksheet
Secure the four products and collect like terms accurately.
◷ 10–15 mins
▤ 20 questions
◎ Start here
Silver
Developing confidence
Silver Worksheet
Apply the method with negative terms and more varied coefficients.
◷ 15–20 mins
▤ 20 questions
◎ After Bronze
Gold
Higher challenge
Gold Worksheet
Complete demanding expansions, reasoning questions and unfamiliar forms.
◷ 20–25 mins
▤ 20 questions
◎ Challenge stage
Step 3 · Assess
Take the QD-001 Mastery Quiz
Complete it without notes, then correct every mistake using the worked solutions.
Step 4 · Confirm mastery
You are ready to move on when…
- You multiply all four term pairs.
- You manage negative signs accurately.
- You collect like terms correctly.
- You can explain why a wrong method fails.
- You reach your target score on the mastery quiz.
Continue Mission 07