Subject mastery
Strengths by subject at a glance—prioritise revision without guesswork.
Studoo
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Read each question carefully. Choose the best answer (A–E) and mark it clearly. There is only one correct answer per question unless stated otherwise.
1.
What is the difference between 78.4 and 19.9?
2.
A warehouse had 4728 boxes. 238 boxes were sent out for delivery. How many boxes remain?
3.
There are 120 notebooks, 305 pencils and 475 rulers. How many school supplies are there in total?
4.
What is £12.90 + £3.75?
5.
There are 289 marbles, 314 buttons and 407 beads. How many items are there in total?
6.
Ethan raised £52.35 from parents, £14.80 from friends and £20.50 from club. How much money did he raise in total?
7.
Zara buys a £9.45 book and a £2.35 book. She pays with a £20 note. How much change does she receive?
8.
What is the difference between 12.4 and 7.9?
9.
What is the difference between 18.6 and 9.7?
10.
There are 426 apples, 189 oranges and 733 pears. How many fruits are there in total?
Practice feedback survey
Optional: after marking, tick the main reason for each mistake (you can tick more than one if it helps). Count the ticks in each column and write the totals in the bottom row—patterns here make revision easier than a score alone. When printing, this survey starts on its own page so you can skip that sheet in the print range if you do not need it.
| Q | Didn't Understand the Concept | Misread the question | Calculation Error | Partial Step Error | Wrong Option Marking |
|---|---|---|---|---|---|
| 1 | |||||
| 2 | |||||
| 3 | |||||
| 4 | |||||
| 5 | |||||
| 6 | |||||
| 7 | |||||
| 8 | |||||
| 9 | |||||
| 10 | |||||
| Total |
- Didn't Understand the Concept
- The underlying idea or method was unclear—worth revisiting explanations or examples before more drill.
- Misread the question
- The topic was familiar, but a detail was missed (e.g. “not”, units, or what exactly to find).
- Calculation Error
- The approach was reasonable, but arithmetic, copying a figure, or a single step was wrong.
- Partial Step Error
- Working started correctly but went off track part-way—often a wrong operation or missed step.
- Wrong Option Marking
- The working or thinking pointed to the right answer, but the wrong letter was circled or recorded.
Answer key
- 1. B — 58.5
- 2. A — 4490
- 3. E — 900
- 4. E — £16.65
- 5. D — 1010
- 6. C — £87.65
- 7. A — £8.20
- 8. C — 4.5
- 9. B — 8.9
- 10. A — 1348
Parent analytics — how Studoo shows progress
This worksheet is a one-off snapshot. In the Studoo app, parents get live dashboards similar to the examples below—so you see trends, topic gaps, and why marks are lost, not only final scores.
Weekly score trend
Spot improvement or dips early—keep 11+ prep consistent week to week.
Answer mix (correct · incorrect · not sure)
See confidence gaps—not just the headline score after each session.
Speed vs accuracy
Highlights rushing: very fast answers with lower accuracy often mean traps or careless errors.
Turn this paper into ongoing insight
Marking a printable sheet tells you the score for today. Studoo keeps a running picture of progress, habits, and topics to fix first—the same ideas behind the charts above, personalised for your child.
- Subject & topic accuracy — see exactly where marks are lost, not just totals.
- Weekly trends — notice plateaus or dips while there is time to adjust revision.
- Behavioural signals — pacing, "not sure" usage, and common exam-style traps.
- Actionable next steps — focused topics and suggestions instead of generic worksheets alone.