Lumen
🪙 0
Classes
/
Grade 6
/
Expressions, formulae and equations
/
Constructing expressions
Constructing expressions
📖 Learn
🎬 Guided Practice
✏️ Practice
Concept 1 of 3 · no score 🙂
Words into algebra
n
n = 5
n + 3
= 5 + 3
= 8
A letter stands for a number — swap it in to work out the value.
1
Older / more / gains → ADD. Younger / fewer / loses → SUBTRACT.
Show me the next step ↓