# Monthly Archives: June 2017

## DAY 182:

Today’s Challenge . . . is my fun & challenging number puzzle, MATHELONA. Can you replace the 12 ◯’s below with 0, 1, 1, 2, 3, 4, 5, 5, 6, 7, 9 and 9 so that all three lines work out … Continue reading

## DAY 181:

Today’s Challenge Your task is to find a way of arriving at the target number of 70 by using each of the five numbers 1, 2, 3, 4 and 5 once only, and with + – × ÷ available. The easy … Continue reading

## DAY 180:

Today’s Challenge This is a continuation of a number puzzle, posted on DAY 10, made famous by French writer George Perec. In that challenge, we asked you to use seven 7’s (7, 7, 7, 7, 7, 7 and 7) once … Continue reading

## DAY 179:

Today’s Challenge . . . is to arrive at the target answer of 24 by using each of the numbers 5, 8, 8 and 9 once each with + – × ÷ available. There are two very different ways of making 24, can you … Continue reading

## DAY 178:

Today’s Challenge Can you arrive at the target answer of 7 by using each of the numbers 0.2, 0.5, 2 and 2.5 exactly once each, and with + – × ÷ available? The 7puzzle Challenge The playing board of the 7puzzle game is a 7-by-7 … Continue reading

## DAY 177:

Today’s Challenge If you enjoy this, click MATHELONA for further details of our number puzzles. You must make all three lines work out arithmetically by replacing the 12 ◯’s below with the digits 0, 0, 1, 1, 2, 3, 3, 4, 5, … Continue reading

## DAY 176:

Today’s Challenge Another Kakuro puzzle for anyone who is a beginner to this fantastic little teaser. I guarantee children will enjoy this and their number skills will improve the more puzzles they do. The rules are very simple: Just like a … Continue reading

## DAY 175:

Today’s Challenge Please try this in class if you’re a teacher as I guarantee you will see the children’s number skills grow the more puzzles they attempt. If you’re a puzzle enthusiast, I’m sure you’ll enjoy the challenge too! The … Continue reading