In kindergarten, students focus on number recognition, and are able to say the name of a number when they see it written. At this age, students also learn to write numbers on paper. Additionally, by kindergarten students should learn to match a written number with the corresponding number of objects. For example, students should be able to see the number nine and draw nine circles, according to the website PreschoolRock.com.
In kindergarten, students learn to count numbers in order and to count objects. Though students do not learn addition in the traditional sense until first grade, in kindergarten they learn to add numbers together by counting them, according to PreschoolRock.com. For example, students might add two plus two when they count two pennies and are then asked to count two more, equaling four.
In kindergarten, students begin recognizing patterns, and are able to repeat patterns they see, notes PreschoolRock.com. Students at this age also learn how to put objects in order based on varying factors such as height or weight. In addition, kindergarten students learn how to categorize and group objects together. For example, if given a box of different-colored buttons, kindergarten students learn how to separate the buttons into groups based on colors. Students might also categorize items based on size, texture or weight, or might categorize classmates based on physical characteristics.
According to the website Education.com, students learn that each day is divided into hours and minutes, and with help begin to read a clock. They also understand time as it relates to their own daily schedule. In kindergarten, students learn about measurement, and may begin measuring objects in inches or by other ordinary objects; for example, they might measure a block and determine that a block is as long as one pencil.