Rounding
Measurement
Adding
Subtracting
Story Problems
100

What is 792 rounded to the nearest ten?

790

100

A student desk weighs about _________ kilograms.

12 kilograms     OR     120 kilograms

12 kilograms

100

What is 452 + 396 =

848

100

428-169 = ?

259

100

A bear weighs 147 kg more than a kangaroo. The bear weighs 204 kg. How much does the kangaroo weigh?

204-147 = 57

200

What is 849 rounded to the nearest hundred?

800

200

A kitchen sink holds about _________ liters of water.

40 liters       OR      400 liters

40 liters

200

328 + 239 =

567

200

537 - 489 =

48

200

A shark weighs 286 kg more than an octopus. The shark weighs 315 kg. How much does the octopus weigh?

315-286 = 29

300

What is 495 rounded to the nearest ten?

500

300

A notebook weighs about ________ grams.

30 grams       OR       300 grams

300 grams

300

474 + 297 =

771

300

813 - 547 = ?

266

300

A horse weighs 37 kg less than a cow. A horse weighs 369 kg. How much does the cow weigh?

369 + 37 = 409

400

What is a 3 digit number that rounds to 800 when rounded to the nearest hundreds?

Answers may vary: example 823

400

A pair of scissors weighs about _________ grams.

3 grams        OR          30 grams

30 grams

400

A picture weighs 498 grams. A lamp weighs 490 grams. How much do the items weigh all together?

498 + 490 =

988

400

326 - 278 = ?

48

400

A cat weighs 5 kg. A dog weighs 4 kg more than the cat. A hamster weighs 1kg. How much do all three animals weigh?

5kg. + 9kg + 1kg = 15kg

500

What is 792 rounded to the nearest hundreds?

800
500

A laptop computer weighs about _________kilograms.

2 kilograms.       OR.      20 kilograms

2 kilograms

500
A cat weighs 5kg. A dog weighs 2 kg more than the cat. How much do the dog and cat weigh all together?

Cat = 5kg

Dog = 7kg

5kg + 7kg = 12 kg

500

When you stack numbers to subtract, does the bigger number go on the top or bottom?

TOP

500

A boy has 245 toy cars. His brother has 61 more marbles than toy cars. How many marbles does he have?

245 + 61 = 306