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This 11 Plus Maths quiz explores how moving digits or decimal points can completely change a number’s value, an essential skill for confident, accurate calculations.
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Fascinating Fact:
Moving the decimal point one place changes everything, £3.50 becomes £35, a mistake that makes shopkeepers nervous.
In 11 Plus Maths, pupils learn how decimals work and how place value determines their size. Understanding how digits shift by powers of ten helps avoid errors when handling money, measurements, or large numbers.
Key Terms
Decimal Point: A symbol that separates whole numbers from fractions in a decimal.
Place Shift: When a digit moves left or right, changing its value by a factor of ten.
Rounding: Simplifying a number to make it easier to work with, while keeping it close to its original value.
Parents can explore our 11 Plus sample questions guide to see how place value and decimal knowledge are tested in real exam examples.
Frequently Asked Questions (Click to see answers)
What happens when you move the decimal point?
Moving the decimal point left makes a number ten times smaller, while moving it right makes it ten times larger.
Why is decimal place value important?
It helps pupils understand money, measurements, and number size, ensuring accuracy when multiplying or dividing by ten or a hundred.
How can I avoid mistakes with decimals?
Always keep track of where the decimal point should be and practise converting between whole numbers and decimals regularly.