- 2 x 2 = 4
- H₂ + O → H₂O
- π = 3.142
- a² + b² = c²
- 6 ÷ 2 = 3
- √144 = 12
- 1 + 1 = 2
- 10 x 10 = 100
- sin 90° = 1
- log 1 = 0
- Na + Cl → NaCl
- C + O₂ → CO₂
- HCl + NaOH → NaCl
- F = ma
- v = λf
- pH + pOH = 14
- DNA → RNA
- 3 + 4 = 7
- 12 x 12 = 144
- 9 ÷ 3 = 3
- read + write
- noun + verb
- subject + predicate
- Who? What? Why?
- the + noun
- prose vs poem
- iron + oxygen → rust
- 2H₂ + O₂ → 2H₂O
- speed = distance ÷ time
- area = πr²
- volume = l x b x h
- 5 + 5 = 10
- 20 − 7 = 13
- 8 x 6 = 48
- 100 ÷ 4 = 25
- 3² = 9
- 2³ = 8
- ½ + ½ = 1
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