Basic 7 · Mathematics
Numeration Systems
Notes on Numeration Systems for Basic 7 Mathematics. Open a topic to start.
- Reading, Modelling and Comparing Numbers Beyond a BillionIn this topic you will read and write whole numbers greater than 1,000,000,000, model them using place value and expanded form, and compare and order them using the symbols >, < and =.
- Rounding Whole Numbers and DecimalsIn this topic you will round whole numbers greater than one billion to the nearest ten, hundred, thousand, ten thousand and hundred thousand, decide when to round up or down in real life, and round decimals to the nearest tenth, hundredth and thousandth.
- Decimal Places, Significant Figures and Powers of TenIn this topic you will correct numbers to a given number of decimal places and significant figures, and multiply and divide whole numbers and decimals by powers of 10 and by 0.1, 0.01 and other benchmark fractions of 10.