DAY 285:

Today’s Challenge

In our FlagMath series of maths card games, players try to find eleven different pairs of answers quicker than their opponents. In our blog question below, you only have to find the one pair.

The two sections both contain nine letters, A-I, each containing a simple addition calculation. Which is the only letter to have the SAME answer in BOTH sections?

  • Section 1

I:3+2   F:6+5   C:8+5   G:7+5   A:7+2   B:6+3   H:8+2   E:5+1   D:2+2

  • Section 2

B:7+1   D:6+6   G:3+1   E:6+2   I:4+2   H:9+4   A:5+4   F:8+4   C:7+3

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 1st & 6th rows contain the following fourteen numbers:

2    5    9    12    14    15    18    20    22    33    40    49    56    72

Find the highest multiple of 7 on the list. What is double this number?

Make 285 Challenge

Can you arrive at 285 by inserting 2, 3, 4, 5 and 6 into the gaps below?

(◯²+◯÷◯)×◯×◯ = 285

Answers can be found here.

Click Paul Godding for details of online math tuition. Wherever you are in the world, please get in touch.

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