Number: Computation and Operations Terms

Number: Computation and Operations Terms

Addition: To get the total or sum. To join two or more numbers together to get one number.

Cubed: To raise a number to the power of three. Example: “4 cubed” is written as 4³ = 4 x 4 x 4 = 64

Difference: The result got by subtracting one number or quantity from another.

Division: To separate into equal groups. To subdivide into equal groupings.

Double: Multiply by two. Twice as much.

Estimate: A rough calculation or approximation.

Evaluate: Work it out! Do the calculations to find the answer.

Flow chart: A diagram showing the order of the steps to be taken to solve a problem.

Inverse operation: The reverse operation. Examples: Addition is the inverse of subtraction. Division is the inverse of multiplication.

Mental calculation: Calculating the exact answer in your head without using pen and paper or calculator.

Minus: To subtract. To take one quantity or number away from another. To find the difference.

Multiplication: To find the product. A shorter way of adding a set of equal numbers together. Example: 5 + 5 + 5 + 5 + 5 = 5 x 5

Power of (a number): The number of times a base number or quantity is to be multiplied by itself. Example: “5 to the power of 3” is written as 5³ = 5 x 5 x 5 = 125

Product: The result when two (or more) numbers are multiplied together.

Rounding off: A way of approximating an answer or number.

Squared: To raise a number to the power of two. Example: “4 squared” is written as 4² = 4 x 4 = 16

Square root: A number that when multiplied by itself gives the original number.

Subtraction: To take one number from another. To get the difference.

Sum: The addition of numbers together. The total or whole amount.

Take away: To subtract. To take one quantity or number away from another.

Total: The sum or whole amount. The total is got by addition.

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