1
A package is weighed at kg to the nearest kg.
Find the smallest possible weight for the package.
kg
1
2
A package is weighed at kg to the nearest kg.
Find the smallest possible weight for the package.
kg
1
3
A package is weighed at kg to the nearest kg.
Find the largest possible weight for the package.
kg
1
4
The height of a box is cm to the nearest 10 cm.
Find the error interval for the height of the box.
Use h for the height.
3
5
A runner finishes a race in seconds to the nearest tenth of a second.
Find the error interval for the height of the box.
Use t for the time.
3
6
A rectangle is measured at  cm by  cm.
Both measurements are to the nearest cm.
Find the maximum perimeter of the rectangle.
cm
2
7
A rectangle is measured at  cm by  cm.
Both measurements are to the nearest tenth of a cm.
Find the minimum area of the rectangle.
cm2
2
8
A person walks  m to get to the shop from their house, then walks  m back towards their house.
Both measurements are to the nearest 10 m.
Find the maximum distance the person is from their house.
m
2
9
A rectangle has a width of  cm and an area of  cm2.
Both measurements are to the nearest 10.
Find the minimum length of the rectangle.
Leave your answer correct to 4 decimal places.
cm
2