Topic 4 · Number & Algebra
Place Value & Standard Form
Multiplying and dividing by powers of ten, standard form, and upper and lower bounds — including bounds in calculations.
By the end of this topic you can…
- Multiply and divide by any power of 10
- Write very large and very small numbers in standard form
- Find the upper and lower bounds of a rounded measurement
- Find the bounds of a calculation and give an answer to a suitable accuracy
Lessons
- Multiplying and Dividing by Powers of 10 What multiplying and dividing by , and friends really does to the digits of a number.
- Standard Form Writing very large and very small numbers as , converting back, and calculating with them.
- Lower and Upper Bounds Every rounded number stands for a range of possible values. Finding the smallest and largest, and writing them as an inequality.
- Bounds in Calculations Which bounds to use for the largest and smallest possible answer — adding, subtracting, multiplying and dividing measurements — and giving an answer to a suitable accuracy.
Place value and standard form quiz
Twelve questions drawn at random from a bank of eighteen, covering powers of 10, standard form, upper and lower bounds, and bounds in calculations.
12 questions · pass mark 70%