DAY 145 at 7puzzeblog.com

Today’s Challenge

Using all six numbers 1, 4, 5, 6, 10 and 100 once each in your calculation, with + – × ÷ available, can you land safely on the target answer 747?

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Answers

. . . can be found when clicking this.

7puzzleblog

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Welcome

the7puzzlecompanyA warm welcome to 7puzzleblog.com, the World’s Top Daily Number Puzzle Website – and home to the 7puzzle company.

We do many mathematical things at the 7puzzle company, one of which is to design and produce daily number puzzles for our many followers from over 150 different countries and territories around the world.

Our aim is to help improve people’s basic knowledge and confidence of number and arithmetic in a fun way, so start your numerical adventure by having a go at solving our latest number puzzle shown above – and improve your number & logic skills too!

Our bumper compendium of challenges at 7puzzleblog.com contains a different number puzzle every day, with the added bonus of having an additional three number puzzles daily from January 1, DAY 1, to March 25, DAY 85; 255 extra challenges which are perfect for revision purposes.  These are related to our signature board game, the 7puzzle game, and a superb resource for teachers and parents to utilise with the children!

Click on the dates below to access our number puzzles and we will reply to all comments and answers received as well as tweets to @7puzzle and e-mails to paul@7puzzle.com.

Spread the message about our fabulous daily number puzzles at 7puzzleblog.com to family, friends, students and colleagues.  Answers are provided and can be found here!

To find out more about the 7puzzle company, simply click this link.

Paul Godding       Owner, the 7puzzle company

7puzzleblog

January/Ionawr/Enero/Janeiro/Janvier/Eanáir/Gennaio

1        2        3        4        5        6        7        8

9       10       11       12       13       14       15       16

17       18       19       20       21       22       23       24

25       26       27       28       29       30       31

February/Chwefror/Febrero/Fevereiro/Février/Feabhra/Febbraio

1        2        3        4        5        6        7        8

9       10       11       12       13       14       15       16

17       18       19       20       21       22       23       24

25       26       27       28       29

March/Mawrth/Marzo/Março/Mars/Márta/Marzo

1        2        3        4        5        6        7        8

9       10       11       12       13       14       15       16

17       18       19       20       21       22       23       24

25       26       27       28       29       30       31

April/Ebrill/Abril/Abril/Avril/Aibreán/Aprile

1        2        3        4        5        6        7        8

9       10       11       12       13       14       15       16

17       18       19       20       21       22       23       24

25       26       27       28       29       30

May/Mai/Mayo/Maio/Mai/Bealtaine/Maggio

1        2        3        4        5        6        7        8

9       10       11       12       13       14       15       16

17       18       19       20       21       22       23       24

25       26       27       28       29       30       31

June/Mehefin/Junio/Junho/Juin/Meitheamh/Guigno

1        2        3        4        5        6        7        8

9       10       11       12       13       14       15       16

17       18       19       20       21       22       23       24

25       26       27       28       29       30

July/Gorffennaf/Julio/Julho/Juillet/Iúil/Luglio

1        2        3        4        5        6        7        8

9       10       11       12       13       14       15       16

17       18       19       20       21       22       23       24

25       26       27       28       29       30       31

August/Awst/Agosto/Agosto/Août/Lúnasa/Agosto

1        2        3        4        5        6        7        8

9       10       11       12       13       14       15       16

17       18       19       20       21       22       23       24

25       26       27       28       29       30       31

September/Medi/Septiembre/Setembro/Septembre/MeánFómhair/Settembre

1        2        3        4        5        6        7        8

9       10       11       12       13       14       15       16

17       18       19       20       21       22       23       24

25       26       27       28       29       30

October/Hydref/Octubre/Outubro/Octobre/DeireadhFómhair/Ottobre

1        2        3        4        5        6        7        8

9       10       11       12       13       14       15       16

17       18       19       20       21       22       23       24

25       26       27       28       29       30       31

November/Tachwedd/Noviembre/Novembro/Novembre/Samhain/Novembre

1        2        3        4        5        6        7        8

9       10       11       12       13       14       15       16

17       18       19       20       21       22       23       24

25       26       27       28       29       30

December/Rhagfyr/Diciembre/Dezembro/Décembre/Nollaig/Dicembre

1        2        3        4        5        6        7        8

9       10       11       12       13       14       15       16

17       18       19       20       21       22       23       24

25       26       27       28       29       30       31

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. . . and there’s more!

As well as the many hundreds of number challenges here at 7puzzleblog.com, each of the following bullet points describes an educational activity the 7puzzle company is currently involved in:

The main objective of the 7puzzle company is to spread the message about the positive impact games & puzzles can have in the classroom, and thus help to improve the maths skills of children everywhere.

We are able to do this successfully through the innovative PuzzleFriday concept and recommend all schools to invest in our tried and tested packs of resources.

Please feel free to follow my tweets at @7puzzle or get in touch by e-mail at paul@7puzzle.com.

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DAY 144

Today’s Challenge

Another mini-MATHELONA challenge where you must replace the eight ?’s below with the eight digits 1, 1, 1, 2, 2, 3, 4 and 5 so both lines work out arithmetically:

?   +   ?    =    3    =    ?   –   ?
?   +   ?   =    4    =    ?   ×   ?

Click MATHELONA for details of our pocket book, e-books and iPad/iPhone app.

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Answers

. . . can be found when clicking this.

7puzzleblog

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DAY 143

Today’s Challenge

Start with the number 50, then:

+27      42      divide by 5      ×4      +50%      two-thirds of this      ÷7      =     ?

What is your final answer to this 7-step number trail?

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Answers

. . . can be found when clicking this.

7puzzleblog

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DAY 142

Today’s Challenge

From the numbers 1-20, eliminate all:

  • square numbers
  • prime numbers
  • triangular numbers
  • multiples of 6

Add together the numbers that remain. What is your total?

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Answers

. . . can be found when clicking this.

7puzzleblog

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DAY 141

Today’s Challenge

A slightly easier MATHELONA-style challenge, but still using the four arithmetic operations.  Replace the ?’s with the digits 1, 2, 2, 3, 4, 4, 5 and 6 so both lines work out:

?  +  ?    =     6     =     ?  ×  ?
?  –  ?    =     2     =     ?  ÷  ?

If you enjoy this type of number puzzle, click this MATHELONA link for details of our pocket book, e-books and challenging app.

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Answers

. . . can be found when clicking this.

7puzzleblog

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DAY 140

Today’s Challenge

If you added 1+2, then to that answer added 3, then 4, followed by 5, and so on, what is the first answer you would reach that is more than 200?

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Answers

. . . can be found when clicking this.

7puzzleblog

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DAY 139

Today’s Challenge

There are two sections below, both containing ten letters, A-J, and each letter is linked to a division calculation:

  • Section 1

D:9÷3  H:8÷2  B:12÷3  I:8÷4  A:4÷2  E:24÷6  G:15÷5  C:20÷4  F:25÷5  J:7÷7

  • Section 2

I:6÷2  G:6÷3  D:10÷2  E:12÷4  J:14÷7  B:20÷5  A:18÷6  C:10÷5  F:16÷4  H:15÷3

Which is the only letter to contain the same answer in both sections?

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Answers

. . . can be found when clicking this.

7puzzleblog

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DAY 138

Today’s Challenge

The two sections below both contain ten letters, A-J, each of which has a multiplication calculation next to it:

  • Section 1

C:10×2  J:4×3  F:8×5  D:3×3  I:3×2  G:7×4  B:5×4  H:9×4  E:10×3  A:6×4

  • Section 2

B:12×2  D:6×1  G:8×3  J:5×2  E:6×5  I:6×6  H:8×6  A:9×2  F:7×2  C:6×3

Which is the only letter that contains the same answer in both sections?

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Answers

. . . can be found when clicking this.

7puzzleblog

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