Rounding
Place Value
Adding
Subtracting
Estimate
100

Round 58 to the tenth place 

60

100

The value of the 4 in 45,783 is

40,000

100

52 mL + 68 mL

120 mL

100

60 mL  - 24mL=

36 mL

100

Round 3,856 to the nearest hundred to estimate how many liters of fuel are pumped into the plane every minute.

3,900

200

round 801 to the nearest hundreds place

800

200

The expanded form of a number is shown.

90 + 30,000 + 2,000

What is the standard form of this number?

32,090
200

352 mL + 68 mL =

420 mL

200

360 mL - 24mL= 

336 mL

200

451 + 253

___+___=

800

300

Round 1,890 to the thousands place

2,000

300

Mr. Espinosa has 56,750 miles on his pick up truck. How is this number written in expanded notation?

(5 x 10,000) + (6 x 1,000) + (7 x 100) + (5 x 10)

300

Sue bakes mini-muffins for the schools bake sale. After wrapping 86 muffins, she still has 58 muffins left cooling on the table. How many muffins did she bake altogether? 

144 muffins

300
The total of three books on a weight scale is 405g. If 2 books weigh 233 grams. How much does the third book weight? 

172 g

300

652+158=

____+____=

900

400

Round 7,049 to the thousands place

7,000

400

Write the names of the airports in order from greatest to least according to the number of passengers.

Biggs Army Airfield. 26,730.

East Texas Regional. 22,480.

Jack Brooks Regional. 26,518.

Biggs Army Airfield

Jack Brooks Regional 

East Texas Regional

400

The store has 750 cell phones.

293 of the phones are pink.

12 of the phones are black.

46 of the phones are blue.

The rest of the phones are purple.

How many phones are purple?

399

400

Jason had 523 baseball cards in his collection. He sold 287 of the cards to a collector. How many baseball cards does Jason have left in his collection?

236

400
Ms.Salazar watches a movie that is 94 minutes long on Friday night. She watched a movie that 151 minutes long on Saturday. What is the estimate time Ms.Salazar spends watching a movie on both days? 

290 minutes

500

Paul's suitcase weight 128kg, 

What is the total weight of Paul's suitcases rounded to the nearest hundred kilograms?

100kg

500

Consider the relationship between the ten thousands place and the hundreds place in the number shown below. Select the correct option to make the statement true.

136,328

The ten thousands place is __________greater than the hundreds place.

one hundred times

500

Mr. Diaz uses pumpkin seeds to make energy bars. To make 10 batches of bars, he needs exactly 420 grams of pumpkin seeds. Which two bags of pumpkin seeds should Mr. Diaz buy?

Bag A - 270g

Bag B- 210g

Bag C- 154g 

Bag D- 184g

Bag E- 266g 

Bag C and E


500

87 third-grade students at Sunshine Elementary School were going on a field trip to the zoo. There are 4 third-grade classes at Sunshine Elementary School.

24 students in Mr. Bank's third-grade class

23 students in Mrs. Won's third-grade class

22 students in Ms. Stapple's third-grade class

The rest are in Mrs. Plano's third-grade class.

How many students are in Mrs. Plano's third-grade class?

18

500

Jesse practices the drums for a total of 165 minutes during the first week of school. He practices 245 minutes during the second week. Estimate the total amount of time Jesse practices by rounding to the nearest 100 minutes.

400 minutes

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