Year 10
Core

Expand 2 brackets and simplify expressions (Part 1)

Expand 2 brackets using algebra tiles and/or a grid e.g. where n≥1 4(nx±5)+6(nx±3).

Year 10
Core

Expand 2 brackets and simplify expressions (Part 1)

Expand 2 brackets using algebra tiles and/or a grid e.g. where n≥1 4(nx±5)+6(nx±3).

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Lesson details

Key learning points

  1. In this lesson, we will expand 2 brackets using algebra tiles and/or a grid e.g. where n≥1 4(nx±5)+6(nx±3).

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5 Questions

Q1.
1. Expand 5t(5t + 3)
25t + 15
Correct answer: 25t² + 15t
25t² + 3
28t
Q2.
2. Expand 9p(5 – 2p)
17p
18p² + 45p
45 – 18p
Correct answer: 45p – 18p²
Q3.
3. Expand 4e(5e² + 3e + 7)
Correct answer: 20e³ + 12e² + 28e
20e³ + 3e + 7
32e² + 28e
Q4.
4. Expand and simplify 5p(3p + 4) – 7p
Correct answer: 15p² + 13p
15p² + 20p
28p
8p + 4
Q5.
5. Expand and simplify -9k(5k + 3) + 3k + 4
Correct answer: -45k² – 24k + 4
-45k² – 30k + 4
45k² + 24k + 4
45k² + 30k + 4

3 Questions

Q1.
An image in a quiz
Correct answer: A
B
C
Q2.
An image in a quiz
A
B
Correct answer: C
Q3.
An image in a quiz
Correct answer: A
B
C