Quick Conversions
Convert 1 kg to grams.
1000
A car travels 150 km using 10 L of fuel. How many liters are needed to travel 300 km at the same rate?
20L
When converting meters to centimeters, do we multiply or divide?
Multiply
Emma says 4.5 m = 450 cm. Is she correct? Explain.
Yes. 4.5 × 100 = 450 cm.
A bottle contains 2.4 L of juice. How many full glasses of 300 mL can be filled?
8
Convert 3.25 L to milliliters.
3250
A recipe uses 200 g of flour for 4 cookies. How much flour is needed for 12 cookies?
600g
When converting grams to kilograms, do we multiply or divide?
Divide
A student says 2 kg + 500 g = 2,500 kg. Identify the mistake and give the correct answer in kilograms.
The correct answer is 2.5 kg.
A bag weighs 3.5 kg. If 850 g is removed, how much does the bag weigh in grams?
2,650 g
Convert 485 cm to meters.
4.85
A recipe for 5 people requires 750 mL of milk. If you want to prepare the same recipe for 8 people, how many milliliters of milk will you need?
1,200 mL.
When adding 2 m and 50 cm, what must we do first?
Convert both measurements to the same unit.
A student converts 1.8 kg to 180 g. Explain the error and give the correct conversion.
1,800 g; multiply by 1,000.
A runner completes 1.25 km and then 750 m. What is the total distance in meters?
2,000m
750 mL + 250 mL = ____ L
1L
Five meters of ribbon cost $12,000. How much do 8 meters cost at the same rate?
19,200
What is the difference between mass and capacity?
Mass measures how much matter an object has, while capacity measures how much a container can hold.
If 2.5 kg of apples cost $10,000, then 4 kg of apples will cost $16,000. However, 4 kg is equal to 400 g."Is Daniel completely correct?
His proportion is correct: 4 kg cost $16,000. However, his conversion is incorrect. 4 kg = 4,000 g, not 400 g.
A rectangular garden is 2.5 m long and 180 cm wide. Find its perimeter in centimeters.
860 cm
1.2 kg + 800 g = ____ kg.
2kg
The ratio of flour to sugar is 5:2. If a recipe uses 750 g of flour, how many grams of sugar are needed?
300 g
Before solving a proportion involving meters and centimeters, what should we check?
That the units are compatible and correctly converted.
A student says that 2.4 L + 650 mL = 2,465 mL. Explain the mistake and give the correct answer in milliliters.
The correct answer is 3,050 mL. The student converted 2.4 L incorrectly; it equals 2,400 mL.
Three liters of paint cover 24 m². How many liters are needed to cover 40 m² at the same rate?
5L