Obtuse angle An obtuse angle is an angle that measures more than 90 degrees (90°) but less than 180 degrees (180°). An obtuse angle looks like this You can draw angles here with Geogebra https://www.geogebra.org/m/scavsujt […]
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Plus
Plus A. The sign + for addition, is called plus. Example: two plus three is equal to five __________________________________________________________________________ B. The sign + (plus), is also the symbol for positive numbers. […]
Pie graph or chart
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 […]
Perimeter
Perimeter The perimeter of a 2D shape is the total length of all its sides. For example, a rectangle has four edges, so its perimeter is the total of those four edges added together. The perimeter of this rectangle is the sum of the length of all its sides: P = 6 + 6 + […]
Percent, percentage
Percent, percentage Percent means “for every 100 parts“. The word comes from the latin phrase per centum which means per one hundred. Percentage means a part per hundred. It can be expressed in decimal form and in fraction form too. A percentage of a number is symbolized by writing: the number and the word “percent” after it the […]
Pentagon
Pentagon A pentagon is a type of polygon that has five sides and five angles. pentagon Different types of pentagones regular pentagon irregular pentagon concave pentagon […]
Parallel lines
Parallel lines Parallel lines are two or more straight lines that are at equal distance from each other and never meet, even if they are extended infinitely in both directions. Example: Try to find parallel lines in the picture: Image by studio4rt on Freepik […]
Odd number
Odd number Odd number is a number which is not divisible by “2”. An odd number always ends in 1, 3, 5, 7, or 9. Odd numbers from 1 to 100 When you have an odd number of objects, you can not divide them into equal groups! […]
Numerator
Numerator Numerator is the part of a fraction that is above the line and signifies the number of parts selected or removed from the total number to be divided by the denominator. […]
Number Square or Square Number
Number Square or Square Number A square number is the result when a number has been multiplied by itself. Example: 25 is a square number because it is the result of multiplication 5 x 5. This is also written as 52 (“five squared”). 52 =5×5 =25 We can find the square numbers by multiplying each number by […]
