Grade 5 maths

What is the formula for the volume of a sphere?

• V = 2πr³

• V = (4/3)πr³

• V = (1/3)πr²h

• V = πr²h

Calculate the volume of a sphere with a radius of 3 cm.

• 113.04 cm³

• 75.40 cm³

• 113.10 cm³

• 28.26 cm³

What is the formula for the volume of a hemisphere?

• (2/3)πr³

• (3/4)πr³

• (4/3)πr³

• (1/2)πr³

Calculate the volume of a hemisphere with a radius of 4 cm.

• approximately 134.04 cm³

• approximately 50.27 cm³

• approximately 100.48 cm³

• approximately 167.55 cm³

If a sphere has a volume of 904.32 cm³, what is its radius?

• 5.00 cm

• 7.50 cm

• 8.00 cm

• 6.00 cm

A basketball has a diameter of 24 cm. What is its volume?

• Approximately 10000 cm³

• Approximately 3000 cm³

• Approximately 5000 cm³

• Approximately 7238.23 cm³

If a hemisphere has a volume of 33.51 m³, what is its radius?

• 4.00 m

• 1.75 m

• 2.52 m

• 3.14 m

Convert 2500 grams to kilograms.

• 1.5 kilograms

• 3.0 kilograms

• 250 grams

• 2.5 kilograms

If a container holds 1.5 kg of water, how many grams is that?

• 1000 grams

• 1500 grams

• 750 grams

• 2000 grams

What is the area of a circle with a radius of 5 cm?

• 78.5 cm²

• 100 cm²

• 50 cm²

• 31.4 cm²