level: Estimating calculations
Questions and Answers List
level questions: Estimating calculations
| Question | Answer |
|---|---|
| How do you estimate a calculation? | By rounding the numbers in the question before performing the calculation |
| Usually when estimating a calculation, numbers are rounded to ___ significant figure. The 'approximately equal to' sign, ≈, is used to show that values have been _______. | one, rounded |
| Estimate the value of 23 x 67. | 1400 |
| Estimate the value of (58.4 / 2.79) - 9.8. | 10 |
| Estimate (68.7 - 9.9) / (2.77). | 20 |