Key learning points

1. The decimal point determines the place value of each digit.
2. The decimal point can help ensure that digits with the same place value are combined.
3. Multiplication can be made easier by considering factors.
4. Division can be made easier by considering equivalent calculations.

Keywords

• Integer - An integer is any positive or negative whole number or zero. E.g. (−2), 0, 153 are all examples of integers.

• Decimal form - A number is in decimal form when the decimal point is shown and there are digits to the right of the decimal point.

• Digit - A digit is one of the symbols of a number system. In our number system we use the digits 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9.

Common misconception