Using your calculator efficiently

12 questions

1. What does this calculator button represent?
2. What does this button represent?
3. What does this calculator button represent?
4. __________ means to find the value of a numerical or an algebraic expression.
5. ____________ are used to show negative numbers and group numbers together.
6. Work out the answer to 5.67^3 + 10. Write all the digits on your calculator display. ___
7. What is the purpose of this calculator button?
8. Sofia works out \sqrt{2.5}\times22 on her calculator. Which of these shows the calculator input Sofia should use?
9. Convert \frac{280}{250} +1.4^2 into decimal form. ___
10. Ignoring the numbers, which buttons need to be pressed to get this calculation?
11. Work out the answer to the calculation shown on the calculator display. ___
12. Work out the answer to the calculation shown on the calculator display. Write your answer as a decimal. ___

License: OGL