The Main 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 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 2 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?
The Factors Challenge
Which FOUR numbers from the following list are factors of 285?
3 5 7 9 11 13 15 17 19
The Mathematically Possible Challenge
Using 2, 7 and 10 once each, with + – × ÷ available, which are the only TWO numbers it is possible to make from the list below?
30 31 32 33 34 35 36 37 38 39
#NumbersIn30s
The Target 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.
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