A Peek Beyond the Point — Chapter Summary

A unit can be divided into

A unit can be divided into 10 equal parts to measure more precisely. Each part is a one-tenth. If each one-tenth is divided into 10 more parts, each p

Each place value is 10 times

Each place value is 10 times bigger than the one immediately to its right and 10 times smaller than the one to its left. This is why decimal numbers f

The decimal point separates the whole

The decimal point separates the whole number part from the fractional part. For example, 70.5 means 70 units and 5 tenths, while 7.05 means 7 units an

Decimal numbers are read digit by

Decimal numbers are read digit by digit after the decimal point. For example, 70.5 is read as seventy point five and 7.05 is read as seven point zero

Trailing zeros after the last nonzero

Trailing zeros after the last nonzero digit do not change the value of a decimal number, so 0.2, 0.20, and 0.200 are equal. But zeros placed before a