Sparx | Amths

Question (Year 8, Algebra):

Solve ( 3(x - 4) = 18 )

Step-by-step (as Sparx would expect):

Sparx check: They might then ask “What is ( 3x - 12 ) equal to?” before letting you proceed.

| Feature | What it does | |--------|----------------| | Homework | ~5–10 questions, due weekly. | | Replay | Allows you to redo questions for better marks. | | Bookwork checks | Randomly asks you to show working on paper. | | XP & Streaks | Gamification – points for correct answers, extra for consecutive days. | | Targets | Each student gets a weekly target (e.g., 80% correct). |

1. Place Value Write down the value of the digit 7 in the number $4,072,513$. (1 mark)

2. Arithmetic Calculate $-4 \times 5 + 12$. (1 mark)

3. Fractions Work out $\frac34 + \frac16$. Give your answer as a simplified fraction. (2 marks) sparx amths

4. Algebra (Simplifying) Simplify the expression: $5x + 3y - 2x + y$. (1 mark)

5. Algebra (Solving) Solve the equation $3x - 7 = 14$. (2 marks)

Students report getting stuck in a loop where they cannot correctly answer a recall question from three months ago. Because the algorithm demands mastery, a student might spend 20 minutes on a single geometry question, leading to frustration.

Q16.
(a) $55$ (Working: $3^2 = 9$. $9 + 2 = 11$. $11 \times 5 = 55$).
(b) Correct explanation: "$4^2$ means $4 \times 4$, which is $16$, not $4 \times 2$."

Q17.
(a) Width $= 6 \text cm$. (Working: $2(l+w) = 32 \rightarrow 20 + 2w = 32 \rightarrow 2w = 12$).
(b) Area $= 60 \text cm^2$.

Q18.
(a) $18, 22$.
(b) $n$th term is $4n - 2$.
(c) Yes (or No depending on logic). Actually, $101$: Sequence formula $4n-2 = 101 \rightarrow 4n = 103 \rightarrow n = 25.75$. Answer: No, because you do not get a whole number position.

Q19.
(a) Saving $= £12$. ($10% = 8, 5% = 4, \textTotal = 12$).
(b) New price $= £68$. ($80 - 12$ or $80 \times 0.85$). Question (Year 8, Algebra):

Q20.
Cats angle: $\frac1230 \times 360 = 144^\circ$.
Dogs angle: $\frac1830 \times 360 = 216^\circ$.
Mark for correct angle calculations, mark for drawing sectors roughly proportional, mark for labelling.

Sparx Maths is a data-driven, online platform designed for secondary school mathematics, focusing on personalized homework, 10,000+ support videos, and mandatory "bookwork checks" to ensure comprehension

. Research indicates that completing the recommended weekly homework can lead to improved GCSE results. For more information, visit Sparx Maths support.sparxmaths.com/en/articles/342375-introducing-sparx-maths. Kemnal Technology College Numeracy (Sparx Maths) - Kemnal Technology College

Many "Sparx Amths" help requests involve the Bookwork Check. Sometimes, the code generated by the student's working out (e.g., the sum of the angles) doesn't match what the server expects, leading to a "Code Rejected" message even if the maths is right.

Due to the pressure of Sparx, a black market of "Sparx Amths answers" exists on Discord and TikTok. Common cheating methods include:

The Reality Check: Sparx’s algorithm is sophisticated. It randomizes numbers for every student. If Sarah has x + 5 = 12 and John has x + 5 = 15, copying John’s answer gives Sarah a zero. Furthermore, the platform flags "speed cheating"—if a student answers 10 questions in 30 seconds, the teacher is alerted. Ultimately, cheating on Sparx only hurts the student on the actual GCSE exam, where no algorithm exists.

Instructions: Write your answer clearly in the space provided. No working is required for 1-mark questions, but show it if it helps you. Solve ( 3(x - 4) = 18 )

Q1. Calculate $345 + 127 + 58$.
[1 mark]

Q2. Work out $(-4) \times 5$.
[1 mark]

Q3. Simplify the ratio $12 : 18$.
[1 mark]

Q4. What is $15%$ of $240$?
[1 mark]

Q5. Round the number $3.496$ to 2 decimal places.
[1 mark]

Q6. Write down the value of the digit 5 in the number $7.502$.
[1 mark]

Q7. Which is larger: $\frac35$ or $0.6$?
[1 mark]

Q8. Solve for $x$: $3x - 7 = 14$.
[1 mark]