Use the calculator to answer a question and then round your answer to the nearest 10, 100, whole number or to 1, 2 or 3 decimal places. The correct answer is then shown on a number line. Play against the clock to see how many points you can score.
Place the answer to calculations on a number line. An enormous array of choice. Addition, subtraction, multiplication and division. Ranging from adding numbers to 10 to multiplying 4 digit numbers. Great for combining teaching calculations and approximations with developing an understanding of place value.