Foundation November 2021 Paper 1 Q22

(a) Lucy wants to simplify \(\quad 6a - (7b - 2a)\)

She writes \(\quad 4a - 7b\)

Is she correct?

Tick a box.

• Yes
• No

Give a reason for your answer. [1 mark]

(b) Lucy also wants to simplify \(\quad 3p^2 \times 5p^7\)

She says,

“Add 3 and 5, then add 2 and 7”

Her answer is \(\quad 8p^9\)

Tick a box for each part of her method. [1 mark]

	Correct	Not correct
Add 3 and 5
Add 2 and 7

(c) Lucy thinks of a number.

\(10 \times\) the number \(=\) \(10 \div\) the number

Give a possible value of the number. [1 mark]