DAY 88:

Today’s Challenge

In our latest MATHELONA challenge, can you replace the 12 ◯’s below with the following 12 numbers so all three lines work out arithmetically?

0     1     1     2     2     3     4     5     6     7     8     9

◯  +  ◯   =     1     =   ◯  –  ◯
◯  +  ◯   =    12    =   ◯  ×  ◯
◯  +  ◯   =     3     =   ◯  ÷  ◯

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The 7puzzle Challenge

The playing board of the 7puzzle game is a 7-by-7 grid containing 49 different numbers, ranging from 2 up to 84.

The 4th & 5th rows of the playing board contain the following fourteen numbers:

3     6     7     10     16     21     32     35     44     50     54     60     81     84

Which two different numbers have a sum of 100?

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Answers

. . . can be found when clicking this.

7puzzleblog

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DAY 87:

Today’s Challenge

Which is the ONLY way you can make 38 when adding together 6 unique digits from 1-9?

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The 7puzzle Challenge

The playing board of the 7puzzle game is a 7-by-7 grid containing 49 different numbers, ranging from 2 up to 84.

The 4th & 5th rows of the playing board contain the following fourteen numbers:

3     6     7     10     16     21     32     35     44     50     54     60     81     84

Which number, when 5 is added to it, becomes a square number?

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Answers

. . . can be found when clicking this.

7puzzleblog

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WELCOME

the7puzzlecompanyA warm welcome to 7puzzleblog.com and our compendium of daily number puzzles which we design and produce for our many followers from over 160 different countries and territories.

As this website is home to the 7puzzle company, we are also the place to visit for a variety of mathematical things, including online maths tuition. Get in touch for further details.

Our aim is to improve basic knowledge and confidence of arithmetic in a fun way, so start your numerical adventure by trying to solve our latest number puzzles shown above!

From our bumper collection of challenges at 7puzzleblog.com, we post TWO number puzzles each day; one of which is related to the 7puzzle game, our signature board game and a superb tool for teachers and parents to utilise with children.

Click on the dates below to access all our number puzzles and we will reply to all comments & answers, 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 also provided.

Paul Godding       Owner, the 7puzzle company

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7puzzleblog

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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

7puzz

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… AND THERE’S MORE!

As well as the many hundreds of number challenges posted on a daily basis here at 7puzzleblog.com, some of the educational activities the 7puzzle company is currently involved in during 2017 are shown below.

Full details of all these can be found by clicking About Us.

  • supporting students with one-to-one maths tuition,
  • delivering school-based maths/puzzle workshops,
  • designing board games, card games, puzzles & books for use in our workshops and to sell to schools and the general public,
  • encouraging parents to get involved with their children’s mathematical education through our Roll3Dice initiative,
  • . . . and much more!

One of the main objectives 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 mathematical skills of children everywhere.

Please feel free to tweet us at @7puzzle or send an e-mail to paul@7puzzle.com.

7puzz

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DAY 86:

Today’s Challenge

It is possible to use six 7’s (7, 7, 7, 7, 7 and 7) once each together with the four arithmetical operations, + – × ÷, to make the target answer of 100.  Can you do it?

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The 7puzzle Challenge

The playing board of the 7puzzle game is a 7-by-7 grid containing 49 different numbers, ranging from 2 up to 84.

The 4th & 5th rows of the playing board contain the following fourteen numbers:

3     6     7     10     16     21     32     35     44     50     54     60     81     84

What is the sum when adding together all the multiples of 10?

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Answers

. . . can be found when clicking this.

7puzzleblog

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DAY 85:

Today’s Challenge

Find the Answers

sum of the following three numbers:

  • twelve thousand and two
  • thirty five thousand and thirty-five
  • fifty five thousand and fifty-five

Write your answer in words.

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The 7puzzle Challenge

The playing board of the 7puzzle game is a 7-by-7 grid of 49 different numbers, ranging from up to 84.

The 2nd & 3rd rows contain the following fourteen numbers:

8     13     17     25     28     36     42     45     48     55     63     64     66     80

How many multiples of 9 are on the list?

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Answers

. . . can be found when clicking this.

7puzzleblog

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DAY 84:

Today’s Challenge

Follow these six steps. What is your answer at the end of point 6?

  1. Work out the sum of 3 and 5,
  2. Calculate the difference between 3 and 5,
  3. Find the product of the two answers in points 1 and 2,
  4. Find the square root to your answer in point 3,
  5. Add the answer in point 4 to your answer in point 1,
  6. Subtract your answer in point 2 from the answer in point 5.

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The 7puzzle Challenge

The playing board of the 7puzzle game is a 7-by-7 grid of 49 different numbers, ranging from up to 84.

The 2nd & 3rd rows contain the following fourteen numbers:

8     13     17     25     28     36     42     45     48     55     63     64     66     80

Which pair of numbers have a difference of 49?

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Answers

. . . can be found when clicking this.

7puzzleblog

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DAY 83:

Today’s Challenge

What is the sum of all multiples of 0.5 from 10 to 20 inclusive?

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The 7puzzle Challenge

The playing board of the 7puzzle game is a 7-by-7 grid of 49 different numbers, ranging from up to 84.

The 2nd & 3rd rows contain the following fourteen numbers:

8     13     17     25     28     36     42     45     48     55     63     64     66     80

How many multiples of 3 are on the list?

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Answers

. . . can be found when clicking this.

7puzzleblog

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DAY 82:

Today’s Challenge

Using each of the four numbers 0.8, 0.9, 1.5 and 5 once each, and with the four arithmetical operations + – × ÷ available to use, can you arrive at the target answer of 7?

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The 7puzzle Challenge

The playing board of the 7puzzle game is a 7-by-7 grid of 49 different numbers, ranging from up to 84.

The 2nd & 3rd rows contain the following fourteen numbers:

8     13     17     25     28     36     42     45     48     55     63     64     66     80

What is the sum of the prime numbers?

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Answers

. . . can be found when clicking this.

7puzzleblog

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DAY 81:

Today’s Challenge

Carry out the following 15-step number trail with no calculator!  Start with 20, then:

+1    ÷3    ×5    –7    +2    ÷6    +4    –1    ×3    ÷4    +4    –5    ×1    +3    ×6    =    ?

What is your final answer?

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The 7puzzle Challenge

The playing board of the 7puzzle game is a 7-by-7 grid of 49 different numbers, ranging from up to 84.

The 2nd & 3rd rows contain the following fourteen numbers:

8     13     17     25     28     36     42     45     48     55     63     64     66     80

Which three different numbers have a sum of 100?

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Answers

. . . can be found when clicking this.

7puzzleblog

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