M2 Review

1. Paul is moving to Australia. The total weight of his 4 suitcases is shown on the scale to the right. On a number line, round the total weight to the nearest 100 kilograms.

Paul buys snacks for his flight. He compares cashews to yogurt raisins. The cashews weigh 205 grams,

and the yogurt raisins weigh 186 grams. What is the difference between the weight of the cashews and

yogurt raisins?

3. The clock to the right shows what time it is now.

a. Estimate the time to the nearest 10 minutes.

3. The clock to the right shows what time it is now.

b. The clock to the right show Paul’s departure

time. Estimate the time to the nearest 10

minutes.

3. The clock to the right shows what time it is now.

c. Use your answers from Parts (a) and (b) to estimate how long Paul has before his flight leaves.

__ minutes

4. A large airplane can take on 3,746 liters of fuel every minute.

a. Round 3,746 to the nearest hundred to estimate how many liters of fuel are pumped into the plane

every minute.

4. A large airplane can take on 3,746 liters of fuel every minute.

c. Calculate precisely how many liters of fuel are pumped into the airplane every 2 minutes.

4. About 3,700 L of fuel are pumped every minute.

b. Use your estimate to find about how many liters of fuel are pumped into the airplane every 2 minutes.