Error Intervals Quiz

The mass of a letter is 58 grams to the nearest gram. Complete the error interval for the mass of the letter.

The length of a mobile phone is 142 mm to the nearest millimetre. Complete the error interval for the length of the mobile phone.

The distance between two towns is 300 miles to the nearest 100 miles. Complete the error interval for distance.

Frank rounds a number, y, to the nearest ten. His result is 80. Write down the error interval for y.

Freya rounds a number, y, to one decimal place. Her result is 6.4. Write down the error interval for y.

A number, p, is rounded to 2 decimal places to give 10.68. Using inequalities, write down the error interval for p.

Elliott weighs 71.8kg. This mass, m, is to the nearest 100g. Write the error interval for m.

The length of each side of a rhombus is 5cm to the nearest centimetre. (a) Write the error interval for the length of each side of the rhombus.

The length of each side of a regular heptagon is 2.8cm to 1 decimal place. Write the error interval for the perimeter, P.

The length of a rectangle is 20cm. The width of the rectangle is 6cm. Both measurements are correct to the nearest centimetre. Write the error interval for the area of the rectangle, A.