### Translations

Code | Language | Translator | Run | |
---|---|---|---|---|

### Software Requirements

Android | iOS | Windows | MacOS | |

with best with | Chrome | Chrome | Chrome | Chrome |

support full-screen? | Yes. Chrome/Opera No. Firefox/ Samsung Internet | Not yet | Yes | Yes |

cannot work on | some mobile browser that don't understand JavaScript such as..... | cannot work on Internet Explorer 9 and below |

### Credits

This email address is being protected from spambots. You need JavaScript enabled to view it.; Francisco Esquembre; Felix J. Garcia Clemente

### end faq

## Apps

https://play.google.com/store/apps/details?id=com.ionicframework.numbers100app321231

https://play.google.com/store/apps/details?id=com.ionicframework.numbersapp974975 older version

https://itunes.apple.com/us/app/even-odd-multiples-factors/id1196575475?ls=1&mt=8 iOS version

### Sample Learning Goals

Topics

Primary 3

1 WHOLE NUMBERS

Numbers up to 10 000

Include:

• number notation and place values (thousands, hundreds, tens, ones),

• reading and writing numbers in numerals and in words,

• comparing and ordering numbers,

• odd and even numbers,

• number patterns

Primary 4

1 Whole Numbers

Factors and multiples

Include:

• determining if a 1-digit number is a factor of a given number,

• listing all factors of a given number up to 100,

• finding the common factors of two given numbers,

• recognising the relationship between factor and multiple,

• determining if a number is a multiple of a given 1-digit number,

• listing the first 12 multiples of a given 1-digit number,

• finding the common multiples of two given 1-digit numbers.

Exclude 'highest common factor' (H.C.F.) and 'lowest common multiple’ (L.C.M.).

Primary 5 Foundation Mathematics (Calculator is allowed unless otherwise stated)

1 Whole Numbers

Factors and multiples

Include:

• determining if a 1-digit number is a factor of a given number,

• listing all factors of a given number up to 100,

• finding the common factors of two given numbers,

• recognising the relationship between factor and multiple,

• determining if a number is a multiple of a given 1-digit number,

• listing the first 12 multiples of a given 1-digit number,

• finding the common multiples of two given numbers up to 12.

Exclude 'highest common factor' (H.C.F.) and 'lowest common multiple’ (L.C.M.).

### Research

SSTRF_2017_ETD_3 Explore-Useful Learning Math Apps

Teaching Tips

even numbers are easier to understand, ask pupils to line up in pairs, so if it is possible to pair up, the number of pupils is even.

taken from http://library.opal.moe.edu.sg/cos/o.x?ptid=84&c=/library/reslib&func=prop2&id=148606 by Abdul Hakim Bin Mohd Udori |

odd numbers is the opposite of even, again, ask pupils to line up in pairs, so if it is not possible to pair up, meaning one pupil has no partner, the number of pupils is odd.

taken from http://library.opal.moe.edu.sg/cos/o.x?ptid=84&c=/library/reslib&func=prop2&id=148606 by Abdul Hakim Bin Mohd Udori |

A Poem on Even & Odd Numbers by Marg Wadsworth

If you are an even number

You always have a pair

So if you look around

Your buddy will always be there

But ...

If you are an odd number

There's always a lonely one

He looks around to find his buddy

But he's the only one.

## YouTube

10 Odd Todd and Even Steven swerdy45

multiples is easier if it is associated to skip count, so mulitples of three is skip count three, for example, 3 ,6, 9, 12, ....

multiples of three, skip count three, color coded for ease of pattern recognition |

factors is the hardest, pairing the first and the last numbers of the factors could help pupils realise

factors of a numbers colour coded for ease of pattern recognition 1x48 = 2x24 = 3x16 = 4x12 = 6x8 = 48 |

### Video

[text]

### Version:

- http://weelookang.blogspot.sg/2016/06/numbers-1-to-100-properties.html JavaScript version
- based on an earlier swf file from Thong , Thong's files
- http://library.opal.moe.edu.sg/cos/o.x?c=/library/reslib&uid=0&ptid=84&func=view&id=266009&fext=.zip (login required)

### Other Resources

### end faq

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