Algebra Balance
Class 6–7 Maths: simple equations
Each bag holds the same number of marbles. Keep the balance level and find out how many are in a bag.
Words to know
- Equation
- A statement that two things are equal, like x + 3 = 7.
- Variable
- A letter, like x, that stands for an unknown number.
- Solve
- Find the value of the variable that makes the equation true.
- Balance
- Doing the same thing to both sides keeps an equation true.
Quick check
Answer 3 questions to check what you learned.
Try at home
Hide some coins in a box and put 3 more coins next to it. Tell a friend there are 8 coins in all. Can they work out how many are in the box?