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They should also be able to understand basic maths and geometry, including fractions, decimals, multiplication and division.
The math course consists of five subject areas: understanding numbers, using whole numbers, using decimals, using fractions and per cents, and working with data.
Although all these fractions are written differently, they all represent the same quantity.
To convert a fraction to a percentage, divide the numerator by the denominator.
Specifically, children's responses to the less familiar quantities of zero and fractions could shed light on their performance with the more familiar whole numbers.
The Mathematics Computation subtest assesses skills in computing with whole numbers, fractions, mixed numbers, decimals, and algebraic equations.
These most rarely occurring topics were: angles in a quadrilateral, fractions, fraction multiplication, properties of triangles, and the Pythagorean theorem.
Column addition was performed on whole numbers and then on fractions.
What are the rules for converting fractions to binary and octal and vice versa?
Basic operations with whole numbers, fractions, and decimals were required to solve some problems, although many items required no calculations.
You may have to multiply both fractions by different numbers to produce the same denominator for both fractions.
The line between the numerator and denominator is known as the fraction bar.
Sometimes when working with fractions, the hardest thing to find is a common denominator.
The aim of the first part is to introduce the Hindu numerals, to explain a place value system and to describe addition, multiplication and other arithmetic operations on integers and fractions in both decimal and sexagesimal notation.
Use the method above to convert it into a fraction with whole numbers in the denominator.
In other words, a number is rational if we can write it as a fraction where the numerator and denominator are both integers.
Others would rewrite the fractions using common denominators.
It looks first at area problems, then looks at rules for the addition, subtraction, multiplication and division of fractions.
Possibly as a consequence of that, the Greek mathematicians thought of fractions in terms of ratios of integers, rather than numbers.
Students added several combinations of wood in whole numbers and mixed fractions as they tested the most economical ways to use the lumber.
2
(small amount)
a fraction of the budget—una mínima parte del presupuesto
we achieved the same results at a fraction of the cost—obtuvimos los mismos resultados por un porcentaje mínimo del costo
a fraction of a second—una fracción de segundo
the car missed him by a fraction—el coche no le dio por un pelo
his eyebrows lifted a fraction—levantó ligeramente las cejas
the door opened a fraction—la puerta se abrió ligeramente
a fraction higher/lower—ligeramente superior/inferior
Joule also invented extremely precise thermometers, which could measure temperature changes to within fractions of a degree Fahrenheit.
Her eyes rest on me for a second, and I swear I can see a tiny ghost of a smile for a fraction of a second.
Fortunately, a salvage unit was available, at a fraction of that amount.
Only a fraction of the huge amount of money we pay in road taxes is put into the maintenance and building of roads.
If they did, the insurance company would have been charged a fraction of that amount.
They had acquired the land for a tiny fraction of that amount.
Turns out that he produces some rather wonderful music consisting almost entirely of samples, usually only a fraction of a second long.
He said hundreds of lives could be saved on the roads every year for a fraction of the amount being spent on rail safety.
In this way hundreds of small adjustments can be made in a fraction of the time needed by more traditional methods.
The parasitic wasp is quite tiny, only a fraction of the size of an adult fly.
However, the true cost is a fraction of this amount.
The victim would be left with only £5,000-a fraction of the amount intended to cover his pain and suffering.
The new process allowed mass production using a fraction of the amount of silver thereby reducing costs.
The council currently spends a fraction of this amount on all its other roads combined.
That amount was only a fraction of the true value of the business, according to farmers of the former co-op.
Each of those putative atoms of element 115 disintegrated within fractions of a second by spontaneously ejecting an alpha particle, which contains two protons and two neutrons.
In terms of proportion, only a fraction of local cotton is transformed and exported as finished goods.
No one would ever notice a fraction of a cent but with the amount of financial transactions going on those fractions mounted up.
Her goal was $60,000 but she was only able to get a fraction of that amount.
It's only a fraction of the amount of money necessary to attend most private schools.
3
Chemistry
fracción feminine
The resulting soluble organic fractions were analysed for polynuclear aromatic compounds and tested for mutagenic effects.
The acetone and methanol fractions were combined and dried under nitrogen.
Total lipid extracts were separated into neutral and polar lipid fractions by column chromatography on Florisil 60-100 mesh.
Both are produced by refining crude oil, but the kerosene fraction of the oil is a little heavier.
This is a generic term for the light hydrocarbon fractions found associated with most oil deposits.
Of course, there is some overlap of the boiling points and molecular size for these fractions.
The majority of the manufacturing is from the catalytic cracking of ethane, petroleum fractions, and crude oil.
The gum arabic fractions were collected separately and extracted with water/chloroform.
Soluble and insoluble fractions were separated by centrifugation at 8 000 g for 30 min at the extraction temperature.
After incubation, the samples were treated as above, and the supernatant fractions were lyophilized.
The ethyl acetate of the combined organic fractions was evaporated under reduced pressure.
The supernatant and the precipitate fractions were separated.
The cell lysate was then centrifuged at 27 000 g for 30 min at 4°C and the soluble and insoluble fractions were separated through a syringe.
Benzene is manufactured industrially by dehydrogenation and dealkylation of appropriate fractions of petroleum.
Cells were collected 48 hr later, and nuclear and cytoplastic fractions were separated.
The aqueous, ethanol and ethyl acetate fractions were slowly evaporated to dryness under vacuum and stored at 4 degreesC for biological study.
Oil refining separates the various fractions of petroleum by a process called fractional distillation and takes place in a large plant called a refinery.