DAY/DYDD 9:

The Main Challenge

. . . is from the excellent card game, 24game. Using the numbers 2, 4, 6 and 8 once each, and with all four operations + – × ÷ available, show how you can reach the target number of 24.

The 7puzzle Challenge

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

The 3rd & 4th rows contain the following fourteen numbers:

3   10   13   25   32   35   36   42   44   45   54   60   66   80

From the list, find the THREE pairs of numbers that have a sum of 57.

The Roll3Dice Challenge

From the seven groups of numbers below, it is possible to make today’s target number of with six of the groups when each number in the group is used once and + – × ÷ is available.

But, which is the impossible group below that CANNOT make 9?

  •   1   2   3
  •   1   3   4
  •   2   2   5
  •   3   3   4
  •   3   5   6
  •   4   5   5
  •   4   6   6

Visit Roll3Dice.com for full details of our family-related maths initiative.

The Mathematically Possible Challenge

Using 45 and 10 once each, with + – × ÷ available, which is the ONLY number it is possible to make from the list below?

11    22    33    44    55    66    77    88    99    110

#11TimesTable

The Target Challenge

Can you arrive at 9 by inserting 3, 4, 5 and 6 into the gaps on each line?

  •  ◯×◯–(◯+) = 9
  •  ◯+×(–◯) = 9
  •  ◯²–◯×(÷◯)² = 9
  •  ◯+(◯+◯)÷◯ = 9

Answers can be found here.

Click Paul Godding for details of online maths tuition.

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