Rounding – Approximate Rounding off means replacing a number with an approximate value. Example: A route takes 56 minutes to be covered, thus, it can be considered “a one-hour journey”. To estimate a number, amount or total, often rounding it off to the nearest 10 or 100. Rounding Rulesmore than 5 > upless than 5 […]
Tag: Estonian ÜÜ
Units
Units In math, the word unit can be defined as the rightmost position in a number or the one’s place. Here, 3 is the unit’s number in the number 6713. A unit may also mean the standard units used for measurement. Just a few examples of units include things like inches, centimeters, pounds, kilograms, degrees, feet, seconds, hours, etc. […]
Unit price
Unit price A unit price is the price for one item or measurement, such as a pound, a kilogram, or a pint, which can be used to compare the same type of goods sold in varying weights and amounts. To find the unit price of something, we divide the cost by the number of units of measurement. […]
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. Some more examples about how to calculate the perimeter of some shapes: P = 9+8+5 = 22 cm P = […]
Nine, nineteen, ninety
Nine, nineteen, ninety Nine (9) is a cardinal number, the next number after eight and before ten. 8<9<10 Nineteen (19) is a cardinal number, the next number after eighteen and before twenty. 18<19<20 Ninety (90) is a cardinal number, the next number after eighty nine 89<90 […]
Common multiple
Common multiple A common multiple is a multiple that is common to two or more numbers. Examples: The multiples of 3 are: 3, 6, 9, 12, 15, 18, … etcThe multiples of 5 are: 5, 10, 15, 20, 25, … etc So, a common multiple of 3 and 5 is 15 (and 30, 45, etc …, as well) […]
Common factor. Greatest common factor
Common factor. Greatest common factor Factors are numbers we can multiply together to get another number. When we compare lists of factors of two or more numbers, any factors that are the same are the “common factors“. Examples: 12 and 16• The factors of 12 are: 1, 2, 3, 4, 6 and 12• The factors […]
Common denominator
Common denominator The denominator is the bottom number in a fraction. It shows how many equal parts the item is divided into. When the denominators of two or more fractions are the same, they are Common Denominators. Example: Finding the common denominator Play games https://www.sheppardsoftware.com/math/fractions/least-common-denominator/ […]
Law of associativity
Law of associativity The law of associativity is a mathematical property that applies to two operations: addition and multiplication. This property indicates that, when there are three or more numbers in these operations, the result does not depend on the way the terms are grouped. In other words, the order in which numbers are added […]
