What is the basic unit for measuring length?

Metre (m)

True or False: 1 kilometre equals 100 metres.

False. 1 kilometre equals 1,000 metres.

Fill in the blank: To convert 5 m to centimetres, you calculate __________.

5 × 100 = 500 cm

Which of the following is the standard unit for measuring weight? A) Litres B) Grams C) Metres D) Centimetres

B) Grams

Riddle: I measure how heavy or light something is, and I'm commonly expressed in kilograms and grams. What am I?

Weight

What do you do if the centimetres exceed 100 during addition of lengths?

Convert to metres (100 cm = 1 m).

True or False: Millilitres are used for large quantities like water or milk.

False. Litres are used for large quantities.

Fill in the blank: To convert 2,350 g to kilograms, divide by 1,000 to get __________.

2 kg 350 g

What is the relationship between litres and millilitres? A) 1 L = 10 mL B) 1 L = 100 mL C) 1 L = 1,000 mL D) 1 L = 1 mL

C) 1 L = 1,000 mL

Riddle: I can hold a volume, measured in litres and millilitres, and I'm often found in kitchens. What am I?

Capacity

What operation should you perform before multiplying lengths in different units?

Convert larger units to smaller units.

True or False: To convert from metres to kilometres, you multiply by 1,000.

False. To convert from metres to kilometres, you divide by 1,000.

Fill in the blank: The last two digits of a centimetre value represent __________.

Centimetres

Which unit is NOT used for measuring capacity? A) Litres B) Millilitres C) Kilograms D) Both A and B

C) Kilograms

Riddle: I am used to measure how much a container can hold, and you might find me in a recipe book. What am I?

Capacity

What do you do when subtracting weights and need to borrow?

Borrow from the larger unit (1 kg = 1,000 g).

True or False: To add weights, you arrange them in columns by their units.

True.

Fill in the blank: 1 m = __________ cm.

100 cm

What is the result of multiplying 4 m 33 cm by 5 in centimetres?

1. Convert 4 m 33 cm into centimetres

• 1 metre = 100 cm

• 4 metres = 400 cm

• 400 cm + 33 cm = 433 cm

2. Multiply by 5

• 433 × 5 = 2165 cm

Which of the following conversions is correct? A) 1 kg = 1,000 g B) 1 cm = 100 mm C) 1 L = 1,000 mL D) All of the above

D) All of the above