Tap to select
Tap the operation that goes FIRST!
Multiplication and Division beat Addition and Subtraction.
{{ s1.a }}
{{ s1.b }}
{{ s1.c }}
Great job! Multiplication goes first.
Drag to machine
Parentheses always go first!
Drag the part in parentheses into the solver machine.
×
Drop Here
Parentheses cleared!
Slide to scan
It's a tie! Go Left to Right.
Division and Multiplication have the same power. Slide to the one we solve first.
{{ s3.a }} ÷ {{ s3.b }}
×
{{ s3.c }}
Left Side
Right Side
Correct! We read math from left to right.
Tap to order
Nested Brackets!
Tap the operators in the exact order we should solve them (1, 2, 3).
{{ s4.a }}
[
(
{{ s4.b }}
{{ s4.c }}
)
{{ s4.d }}
]
Perfect! Inner parentheses first, then brackets, then outside.
Oops! Remember: ( ) first, then [ ], then outside.
🏆
Master of Operations!
You've successfully mastered parentheses, brackets, multiplication, division, and left-to-right rules!
The Golden Rule (PEMDAS)
- 1. Parentheses & Brackets () []
- 2. Exponents ²
- 3. Multiply & Divide Left to Right
- 4. Add & Subtract Left to Right