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Rounding
Rounds & Bounds
100

Round 3.786 to 1 decimal place

3.8

100

12 cm to the nearest cm. 

What are the lower and upper bounds?

Lower bound = 11.5 cm

Upper bound = 12.5 cm

200

Round 9.995 to 2 decimal places

10

200

2.75 m to the nearest 5 cm.

What are the lower and upper bounds?

Lower bound = 2.725 m

Upper bound = 2.775 m

300

Round 999.9999 to 2 decimal places.

1000

300

3.88 cm correct to 2 decimal places.

What are the lower and upper bounds?

Lower bound = 3.875 cm

Upper bound = 3.885 cm

400

Round 98765 to 3 significant figures.

98800

400

0.0078 m to 2 significant figures.

Lower and Upper bound?

Lower bound = 0.00775 m

Upper bound = 0.00785 m

500

Round 0.000789 to 2 significant figure.

0.00079

500

3.4 cm to 2 significant figures

Lower bound = 3.35

Upper bound = 3.45