# Practice Perfect Rounding — Rounding,Approximation,Errors

> Rounding,Approximation,Errors (iPhone/iPad app by Harriet Carmo.)

- Source: https://appshunter.io/ios/app/practice-perfect-rounding/id1455960444 (this page in markdown: same URL + `.md`)
- Developer: [Harriet Carmo](https://appshunter.io/developer/961374680)
- Category: Education
- Price: $0.99
- Age rating: 4+
- Requires: iOS 12.0 · 11 MB
- Languages: English
- Released: 2019-03-13
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/practice-perfect-rounding/id1455960444/reviews.md

## What is Practice Perfect Rounding?

Practice makes perfect! Get your daily maths fix with this handy revision app, optimised for iPad.

The ingenious multiple choice steps let you dip in and out. So you can try a question or two whether you are on the bus, waiting for a friend or just have a few minutes to spare.

Boost your GCSE exam preparation. This app contains the following topics:

Decimal Places - rounding and truncating numbers to a given number of decimal places.

Significant Figures - rounding and truncating numbers to a given number of significant figures.

Estimation - Estimating the answers to sums by rounding values to 1 significant figure.

Error Bounds - Calculating upper and lower bounds for measurements. Includes questions equivalent to GCSE higher level, finding error bounds of calculations involving measurements.

120 questions in total, 30 questions per topic.

For more topics, get the other Practice Perfect apps as a bundle.


## Version history (last 3 releases)

### 1.0.2 — 2023-08-03

Minor bug fixes

### 1.0.1 — 2020-05-10

Minor bug fixes

### 1.0 — 2019-03-13

No release notes.

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## More apps by Harriet Carmo

- [Practice Perfect: Surds](https://appshunter.io/ios/app/practice-perfect-surds/id961374681)
- [Practice Perfect: Maths 2](https://appshunter.io/ios/app/practice-perfect-maths-2/id961744357)
- [Practice Perfect: Maths 3](https://appshunter.io/ios/app/practice-perfect-maths-3/id961750886)
- [Practice Perfect: Maths 4](https://appshunter.io/ios/app/practice-perfect-maths-4/id975002299)
- [Practice Perfect: Maths 6](https://appshunter.io/ios/app/practice-perfect-maths-6/id975003995)
- [Practice Differentiation 1](https://appshunter.io/ios/app/practice-differentiation-1/id997281807)

All apps by Harriet Carmo: https://appshunter.io/developer/961374680

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-19.*