Edexcel IGCSE Math A Higher 1.8.C upper and lower bounds

Edexcel IGCSE Math A syllabusMath A 4MA1First assessment 2018

Practise bounds questions by writing lower or upper limits for rounded weights, heights, lengths and decimal measurements.

How this is tested

Write the lower or upper bound for a measurement rounded to the nearest 10 cm or 10 g.
Use the degree of accuracy to decide the half-interval for lengths, heights or weights.

[Maximum number: 2]

The weight of a bag of apples is 475 g correct to the nearest g

(a)

Write down the lower bound of the weight.

The height of a box is 120 cm correct to the nearest 10 cm

[ 1 ]

(b)

Write down the upper bound for the height.
cm

[ 1 ]