4th Grade Unit 4

Unit Conversions

100

How many grams are in 4 kilograms?

4,000g

200

How many milliliters are in 13 liters?

13,000mL

300

How many meters are in 8.5 kilometers?

8,500 meters

400

How many ounces are in 1 pound?

16 ounces

500

If I have a bottle filled with 3 liters of water and add 250mL of water to it, how many milliliters do I have in total?

3,250mL

Time

100

A race started at 6:30am, it took the runner 42 minutes. What time did the runner finish?

7:12am

200

Mrs. Spresser is baking a cake. If she puts the cake in the oven at 5:13pm and it takes 35 minutes to cook, when will the cake be done?

5:48pm

300

Mrs. Sussman needs to be at her Thanksgiving meal at 2:00pm. It takes her 40 minutes to get ready, and 15 minutes to drive to her family's house. What time does she need to start getting ready?

1:05pm

400

How many minutes are in 6 hours?

360 minutes

500

How many seconds are in 12 minutes?

720 seconds

Rounding and Place Value

100

Write the expanded form of:

82,706

80,000+2,000+700+6

200

Round to the nearest hundred:

64,512

65,000

300

Round to the nearest thousand:

4,260

4,000

400

Write the standard form:

400,000+8,000+200+50+3

408,253

500

Round to the nearest ten thousand:

932,999

930,000

Addition

100

462+307

769

200

389+243

632

300

2,806+1,322

4,128

400

43,980+4,845

48,825

500

174,923+567,123

742,046

Subtraction

100

843-521

322

200

634-278

356

300

3,811-1,401

2,410

400

7,800-4,125

3,675

500

52,312-31,612

20,700