Pie graph or chart A pie chart is a type of graph that presents the relationship of different parts a data set. A pie chart is a circular graph, divided into slices (or sections), where each section represents a percentage of the data. Example: A pie chart to show children’s favourite sport. This pie chart represents 50 […]

# Tag: Estonian S

## Equivalent fractions

Equivalent fractions Equivalent fractions are the fractions that have different numerators and denominators but are equal to the same value. For example: 4/6 and 8/12 are equivalent fractions, because they both are equal to the 2/3 Here are some games: https://www.mathplayground.com/Triplets/index.html https://www.ixl.com/math/grade-4/equivalent-fractions-find-the-missing-numerator-or-denominator […]

## Cylinder

Cylinder A cylinder is a 3D solid shape that consists of two identical and parallel bases linked by a curved surface. These bases are like circular disks, two congruent circular or elliptical bases Surface area 2 · The area of the base + base circumference · height2πr2 + 2πrh Volume The area of the […]

## Century

Century A century is a period of one hundred years. Example – 19th century was the period from 1801 to 1900. – The 21st century is the current century in the Anno Domini or Common Era, in accordance with the Gregorian calendar. It began on January 1, 2001 and will end on December 31, 2100. It is the first century of the […]

## Centimetre

Centimetre Centimetre is a metric unit of length, equal to one hundredth of a metre. The centimetre is a unit of length in the International System of Units (SI). 1 centimetre = 10 millimetres100 centimetres = 1 metre Length 1 kilometre = 1000 metres1 kilometre = 10 hectometres 1 hectometre = 10 decametres1 decametre = 10 metres1 metre = 10 decimetres1 decimetre = […]

## Cent

Cent A cent is a small unit of money worth one-hundredth of some currencies, for example the dollar and the euro. Equal to one hundredth of the base currency unit100 cents = 1 Euro Symbols is c European Union […]

## Frequency

Frequency Frequency shows how often something happens (usually during a period of time). It is the number of times the data value occurs. These data values are often numbers, but they could also be qualitative data values, which are words. We represent the frequency of a data value by f. Example: if five students got an […]