Addition
Subtraction
Measurement
Rounding
Mystery
100

362 L + 229 L=

591 L

100

607 mL - 32 mL=

575 mL

100

One baggage handler lifts 2 bags of the same weight. Each bag weighs 65 kg. Estimate to find out how much the handler lifts altogether.

140 kg 

100

What is 37 rounded to nearest ten?

40

100

Dena reads for 361 minutes during Week 1 of her school's  two- week long Read-A-Thon. She reads for 212 minutes during Week 2 of the Read-A-Thon. Estimate the total amount of time Dena reads during the Read-A-Thon by rounding to the nearest hundred.

600

200

149 m + 331 m=

480 m

200

837 lbs. - 645 lbs.=

192 lbs.

200

One baggage handler lifts 195 kg. Another baggage handler lifts 200 kg. How much more weight does the second handler lift than the first?

5 kg.

200

What is 91 rounded to the nearest ten?

90


200

Amy measures ribbon. She measures a total of 393 centimeters of ribbon and cuts it into two pieces. The first piece is 184 centimeters long. How long is the second pieces of ribbon. Estimate by rounding to the nearest 100.

200 cm

300

463 cm + 179 cm=

642 cm

300

900 L - 358 L=

542 L

300

The baggage handlers load luggage for 24 minutes. If they start at 11:34 what time do they finish?

11:58

300

What is 145 rounded to the nearest ten?

150

300

If a plane uses 283 liters of fuel every minute. How much fuel is used every 2 minutes?

563 L

400

103 g + 799 g=

902 g
400

423 kg - 136 kg=

287 kg

400

Paul buys snacks for his flight. He compares cashews to yogurt raisins. The cashews weigh 105 grams, and the yogurt raisins weigh 86 grams. What is the difference between the weight of the cashews and yogurt rasins?

19 grams

400

What is 372 rounded to the nearest 100?

400

400

What is 2,439 rounded to the nearest 100?

2,400

500

Dena reads for 361 minutes during Week 1 of her school's  two- week long Read-A-Thon. She reads for 212 minutes during Week 2 of the Read-A-Thon. Estimate the total amount of time Dena reads during the Read-A-Thon by rounding to the nearest ten.

570

500

Melissa and her mom go on a road trip. They drive 87 kilometers before lunch. They drive 59 kilometers after lunch. Estimate how many more kilometers they drive before lunch then after lunch by rounding to the nearest 10 kilometers.

30 kilometers

500

A large airplane uses about 376 liters of fuel every minute. Round to the nearest 10 liters to estimate how many liters of fuel get used every minute?

380 Liters

500

What is 1,293 rounded to the nearest 100?

1,300

500

________= 20รท10

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