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MMathematicsICTS2 to S4Number
Binary lab: number bases, indices and standard form
Every photo, song and message on a phone is stored as 0s and 1s. Switch the bits yourself and find out how big a photo really is.
LevelS2 to S4 (and IGCSE)
TimeAbout 35 min
You usePlace value, indices
PriceFree: no account
🎯 Aim
To convert between number bases and use indices and standard form with digital data.
You will learn to
- Convert between base 10, base 2 and other bases.
- Explain place value in any base.
- Use the laws of indices.
- Write large and small numbers in standard form.
🧭 What to do
- Tap the bulbs to make a binary number and read its value.
- Use the slider and read the number in other bases.
- Change the Megapixels and read the photo size in standard form.
- Look at how many values n bits can store.
- Answer the questions with the class data.
- Write your conclusion and download your lab report.
📋 The data
Numbers 0 to 16 in four bases.
🧠 Investigate: answer from the data
Type your answer and tap Check. Use 💡 Hint first; open the method only when you are stuck.
➕ Get more from this experiment
📝 Free
Print the worksheet (button above), download the data, and save your report. Teachers can project this page in class.
📦 Premium Lab Pack
1 000 RWF
- Worksheet: binary cards and secret messages
- Number bases and indices problems
- Teacher guide and answer key
- Exam-style questions with marking scheme
👩🏫 For teachers
Use it as a practical when apparatus is missing, as homework, or as a project. Free lesson plans help you plan, teach and assess.
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