Greg Lynn talks about the mathematical roots of architecture -- and how calculus and digital tools allow modern designers to move beyond the traditional building forms. A glorious church in Queens (and a titanium tea set) illustrate his...

A unit is the frequently arbitrary designation we have given to something to convey a definite magnitude of a physical quantity and every quantity can be expressed in terms of the seven base units that are contained in the...

In this video I am going to explain how to set up and solve a proper percentage word problem.

Solve the multiple choice problem with mixed bags and percents.

In this video I am going to cover the most common percentage math problems you need to know and should expect to see.

In this math video we will find the product of values in scientific notation. We will understand that scientific notation is a factor multiplied by a power of ten. We will write a value from scientific notation to standard form with a...

In this math video we will learn how to subtract rational numbers that are decimals. We will begin by review how to subtract decimals using 3 easy steps. Step 1 - Line up the decimal points vertically. Fill in any 0's where necessary....

In this math video we will learn the rules for adding rational numbers in decimal form. We will begin by reviewing the three steps to adding or subtracting decimals. We will line the decimal values up vertically using the decimal points....

In this math video we will learn how to divide rational numbers in decimal form. We will review the vocabulary terms dividend, divisor and quotient. You will see a visual model of these terms as they are used in long division. I will...

This video serves as an educational introduction to understanding and working with decimals. It explains the concept of decimals as numbers less than one, separated from whole numbers by a decimal point. The video also covers the...

Howcast - Learn how to understand text and numeric formats in this Howcast Excel tutorial with expert Shir Moscovitz.

Howcast - When multiplying decimals, the key is to keep track of the number of decimal places. Learn how with this guide.

Howcast -Learn what is meant by a gun's caliber from Police Officer Keith Charley in this Howcast gun video.

Pupil outcome: I can explain how to multiply 1-digit numbers by decimal fractions using written methods. Key learning points: - Use scaling to convert the decimal fraction to a whole number then multiply; use scaling to adjust the...

Pupil outcome: I can recognise the value of 20 p, 50 p and £1 coins. Key learning points: - It is more efficient to use 20 p and 50 p and £1 coins rather than using lots of smaller value coins. - One pound has the same value as one...

Pupil outcome: I can explain and represent whole pounds and pence as a quantity of money. Key learning points: - There are two decimal places after the pounds when you record money. - The first decimal place records how many 10ps up to...

Pupil outcome: I can explain and represent whole pounds as a quantity of money. Key learning points: - Ten groups of 10p is equal to £1 so 10p is one tenth of £1 - One hundred groups of 1p is equal to £1 so 1p is one hundredth of £1 -...

Pupil outcome: I can compare and order decimal numbers with tenths. Key learning points: - To compare two numbers, you compare digits with the same place value, starting with the largest place-value digit. - If the whole numbers are the...

Pupil outcome: I can use long division and give the remainder as a decimal. Key learning points: - Fraction and decimal equivalence can be used to convert fraction remainders to decimals. - 1 one is equivalent to 10 tenths so a 1 can be...

Pupil outcome: I can use understanding of place value to compare and order numbers with up to 3 decimal places Key learning points: - To compare two numbers, you compare digits with the same place value, starting with the largest...

Pupil outcome: I can count tenths in different ways. Key learning points: - Tenths can be counted and represented with place value resources. - Tenths can be counted and represented as decimals on a number line. - Tenths can be counted...

Pupil outcome: I can use knowledge of common equivalents to compare fractions and decimals. Key learning points: - 0.1 is equal to 1/10 - 0.2 is equal to 1/5 - 0.25 is equal to 1/4 - 0.5 is equal to 1/2 - 0.75 is equal to 3/4

Pupil outcome: I can enter fractions as divisions on a calculator (and other technology) and understand the limitations of the decimal representation that results. Key learning points: - The line in a fraction means divide. - A...

Pupil outcome: I can state place value in decimals, including recognising exponent and fractional representations of the column headings. Key learning points: - The column headings for decimals can be expressed in different ways. - A...