Daily Binary and Data Representation tests for Upper KS2
Binary numbers, how computers store text and images, and units of data. These questions are designed specifically for children ages 9–11.
Sample Upper KS2 questions
A preview of what your child will practice. Dailulu generates fresh questions every day.
A digital clock displays the current hour in binary. If it shows 0101, what time is it in decimal? ____.
The binary 0101 translates to the decimal number 5.
Which of these is a correct way to represent the decimal number 5 in binary?
5 in decimal equals 101 in binary because (1×4) + (0×2) + (1×1) = 5. The other options represent different numbers: 11 is 3, 110 is 6, and 1000 is 8.
In binary, what is the value of the number 1010?
The binary number 1010 is equivalent to the decimal number 10 when calculated using powers of 2.
In binary, the number '2' is represented as '10'.
In binary, '10' represents the decimal number '2', with the first digit representing '2' and the second digit '0'.
About Binary and Data Representation at Upper KS2
At Upper KS2, children aged 9–11 are ready to tackle Binary and Data Representation with confidence. Dailulu's daily tests use short, focused sessions — just a few minutes a day — to build fluency and retention over time. Rather than cramming, consistent daily practice is the most effective way for children to master Binary and Data Representation.
Every question on Dailulu is checked, calibrated for age, and rotated daily so children never see the same test twice. Parents can track streaks and scores from the dashboard.