Balance Scale
Find the mystery number that balances the scale, from missing numbers to equations.
What it teaches
- Quick recall of number facts
- Mental strategies: make ten, split, round and adjust
- Percentages, powers and the order of operations
How to play
Step 1: Press Start: the clock runs for 60 seconds.
Step 2: Type each answer and press Enter.
Step 3: Right answers make it harder. Beat your best!
Levels
Start where it feels easy. Inside each level the questions get harder or easier as you play.
- Level 1 · Ages 6–7Add and subtract to 20Number factsPlay level 1
- Level 2 · Ages 7–9To 100, and ×2 ×5 ×10Tens and onesPlay level 2
- Level 3 · Ages 9–11Tables and dividingAll the tablesPlay level 3
- Level 4 · Ages 11–13Negatives, decimals, %Squares tooPlay level 4
- Level 5 · Ages 13–16Order of operationsBrackets and powersPlay level 5
Try a question
Level 2
Work it out in your head.
5×1=?
Show the answer
Answer: 5
Use the 5 times table.
Level 4
Work it out in your head.
9²=?
Show the answer
Answer: 81
9² means 9 × 9.
The strategy behind it
Each level links to a short lesson that shows the trick step by step.
Practise on paper
Printable worksheets on the same topic, with answer keys.
More maths games
Times Table Race
Race Crayo to the finish by answering times-table facts. You choose the tables.
Number Line Frog
Hop the frog along the number line to add and subtract, all the way to negatives and decimals.