Mr Daniels Maths
Solving Symbol Equations

Set 1

Set 2

Set 3

Q1) \(□ + 2 = 11 \) [ , \(□ = 9\)]

Q1) \(3∞ = 27 \) [ , \(∞ = 9\)]

Q1) \( {⌂\over9}+8 = 17 \) [ , \(⌂ = 81\)]

Q2) \(◊ + 4 = 8 \) [ , \(◊ = 4\)]

Q2) \(6∞ = 60 \) [ , \(∞ = 10\)]

Q2) \(2□ -7 = 13 \) [ , \(□ = 10\)]

Q3) \(⌂ -6 = 4 \) [ , \(⌂ = 10\)]

Q3) \( ◊ \over 2 \) \(=8 \) [ , \(◊ = 16\)]

Q3) \( {◊\over6}-4 = 1 \) [ , \(◊ = 30\)]

Q4) \(□ -2 = 5 \) [ , \(□ = 7\)]

Q4) \(10∆ = 90 \) [ , \(∆ = 9\)]

Q4) \(10⌂ -10 = 60 \) [ , \(⌂ = 7\)]

Q5) \(∞ + 5 = 11 \) [ , \(∞ = 6\)]

Q5) \( □ \over 2 \) \(=4 \) [ , \(□ = 8\)]

Q5) \( {∆\over9}+6 = 13 \) [ , \(∆ = 63\)]

Q6) \(◊ + 10 = 17 \) [ , \(◊ = 7\)]

Q6) \(6⌂ = 42 \) [ , \(⌂ = 7\)]

Q6) \(4□ -5 = 19 \) [ , \(□ = 6\)]

Q7) \(◊ + 6 = 13 \) [ , \(◊ = 7\)]

Q7) \(10∞ = 90 \) [ , \(∞ = 9\)]

Q7) \(10◊ + 4 = 54 \) [ , \(◊ = 5\)]

Q8) \(◊ -2 = 8 \) [ , \(◊ = 10\)]

Q8) \(8◊ = 56 \) [ , \(◊ = 7\)]

Q8) \( {∞\over10}+10 = 13 \) [ , \(∞ = 30\)]

Q9) \(◊ -2 = 2 \) [ , \(◊ = 4\)]

Q9) \( ∆ \over 2 \) \(=3 \) [ , \(∆ = 6\)]

Q9) \( {□\over3}-2 = 3 \) [ , \(□ = 15\)]

Q10) \(⌂ -2 = 4 \) [ , \(⌂ = 6\)]

Q10) \( ∆ \over 7 \) \(=2 \) [ , \(∆ = 14\)]

Q10) \( {□\over4}-3 = 1 \) [ , \(□ = 16\)]