➕ Mental Math
Maths games · free · no sign-up · works without internet once loaded
Add numbers up to 20.
21 versions
Each version keeps its own best score on your device.
- ➕ Addition: EasyAdd numbers up to 20.
Play - ➕ Addition: HardAdd 2 and 3 digit numbers.
Play - ➖ Subtraction: EasySubtract within 20.
Play - ➖ Subtraction: HardSubtract 3 digit numbers.
Play - ✖️ MultiplicationMultiply a 2 digit number by 1 digit.
Play - ➗ DivisionExact division up to 12s.
Play - 🔀 Mixed ArithmeticAll four operations, mixed.
Play - 🍕 Simplify FractionsReduce fractions to lowest terms.
Play - ⚖️ Compare FractionsIs the first fraction smaller, equal or bigger?
Play - 💯 PercentagesWork out a percentage of a number.
Play - 🟦 Squares and RootsSquares and square roots up to 20.
Play - 🌡️ Negative NumbersAdd, subtract and multiply with negatives.
Play - 🔟 DecimalsAdd and subtract decimals.
Play - 🎯 RoundingRound to the nearest 10, 100 or 1000.
Play - 🏛️ Roman Numerals: ReadTurn Roman numerals into numbers.
Play - 📜 Roman Numerals: WritePick the Roman numeral for a number.
Play - 💻 Binary to DecimalConvert binary numbers to decimal.
Play - 🕒 Tell the TimeRead the time on an analog clock.
Play - 🔟 Number Bonds to 10Find the missing number that makes 10.
Play - 2️⃣ Number Bonds to 20Find the missing number that makes 20.
Play - 💯 Number Bonds to 100Find the missing number that makes 100.
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