Rounding means replacing a number with an approximate value that has a shorter, simpler, or more explicit representation. For example, replacing $23.4476 with $23.45, the fraction 312/937 with 1/3, or the expression √2 with… Read More »Grade 1 Math | Place Value IV (Round to the Nearest Ten)
Positional notation (or place-value notation, or positional numeral system) denotes usually the extension to any base of the Hindu–Arabic numeral system (or decimal system). More generally, a positional system is a numeral system… Read More »Grade 1 Math | Place Value III (Tens and Ones)
Positional notation (or place-value notation, or positional numeral system) denotes usually the extension to any base of the Hindu–Arabic numeral system (or decimal system). More generally, a positional system is a numeral system… Read More »Grade 1 Math | Place Value II (Tens and Ones)
Positional notation (or place-value notation, or positional numeral system) denotes usually the extension to any base of the Hindu–Arabic numeral system (or decimal system). More generally, a positional system is a numeral system… Read More »Grade 1 Math | Place Value I (Tens and Ones)
The greater-than sign is a mathematical symbol that denotes an inequality between two values. The widely adopted form of two equal-length strokes connecting in an acute angle at the… Read More »Grade 1 Math | Numbers and Order I (Greater than, Less than, or Equal to)
A number is a mathematical object used to count, measure, and label. The original examples are the natural numbers1, 2, 3, 4, and so forth. Numbers can be represented in language with number words. More universally, individual numbers… Read More »Grade 1 Math | Numbers and Counting (Compilation)
A number is a mathematical object used to count, measure, and label. The original examples are the natural numbers1, 2, 3, 4, and so forth. Numbers can be represented in language with number words. More universally, individual numbers… Read More »Grade 1 Math | Numbers and Order I (Least to Greatest )