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Your search returned 8 results

Listed under:  Mathematics  >  Number (Mathematics)  >  Rounding
Video

AERO Ochre Maths Year 4 Unit 1 - Using five-digit numbers

  • TLF-IDA003867

This sequence of 10 lessons will teach students about five-digit numbers and their properties.

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Video

MathXplosion, Ep 3: How many heads tall are you?

  • TLF-IDM024945

What are non-standard measurement units? Did you know we can reliably use objects in the real world, including our own body parts, to measure things? This concept of anthropometry, the ratios of body measurements, was first proposed by Leonardo da Vinci.

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Video

Mixed Up Maths, Ep 6: Maths saves lives

  • TLF-IDM018753

Can maths really help to save lives? In this clip we see some real life applications of mathematics. Some are about helping to save lives others are about how maths can be useful. What do Florence Nightingale and WHO, the World Health Organisation have in common?

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Video

MathXplosion, Ep 16: It's an estimate, not a guess!

  • TLF-IDM024925

An approximation is the nearest estimate without having the precise size or measurement of something. See how accurate estimates are made in logical ways using information about many things in our everyday lives.

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Video

Rounding decimals to the nearest tenth

  • TLF-IDM011454

This is a digital resource comprising a video demonstration of rounding a decimal fraction to the nearest tenth. The commentary uses and interchanges between the language of decimal places and decimal place values expressed in terms of tenths and hundredths. Practice questions dealing more broadly with rounding numbers ...

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Video

MathXplosion, Ep 5: Measure a tree without using a ladder

  • TLF-IDM024940

What do you do when you need to measure a length, height or distance but don't have a ruler or some other measuring instrument? You can compute linear measurements with surprising accuracy using indirect measurements, proportions and estimations. Learn a nifty trick to measure a tree from a distance.

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Video

Rounding whole numbers: 2

  • TLF-IDM011490

This is a video demonstration of rounding a whole number to the nearest thousand. In the commentary, the presenter explains the thinking behind the process of rounding such numbers and presents a visual representation of rounding whole numbers using a number line. Practice questions with answers are included, and hints ...

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Video

Are plants mathematicians?

  • TLF-IDM017685

Ever noticed that plants are examples of Fibonacci numbers? Watch Vi Hart draw examples of flower petals and leaf growth that follow this pattern. See how plants seem to use Phi (.), the golden ratio. Find out how to make your own 'angle-a-tron' to create interesting petal designs. This is the second in a series of two.

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