Rounding Decimals and Area: Grade 4 Math Challenge

A rectangular garden has a length of 24.7 meters and a width of 15.3 meters. What is the area of the garden when rounded to the nearest whole number?

• 400

• 390

• 360

• 379

Liam has 3.6 liters of paint. He needs to round this amount to the nearest whole number to buy more paint. How many liters will he buy?

• 3

• 5

• 2

• 4

A classroom measures 12.4 feet by 9.8 feet. What is the area of the classroom when rounded to the nearest whole number?

• 115

• 130

• 140

• 122

Samantha bought 5.75 meters of ribbon. If she rounds this to the nearest whole number, how many meters of ribbon does she have?

• 4

• 6

• 5

• 7

A rectangular pool is 10.2 meters long and 4.6 meters wide. What is the area of the pool when rounded to the nearest whole number?

• 50

• 42

• 60

• 47

A farmer has 7.8 acres of land. If he wants to round this to the nearest whole number for a report, how many acres will he report?

• 7

• 9

• 10

• 8

The area of a rectangular field is 45.6 square meters. If you round this area to the nearest whole number, what is the rounded area?

• 45

• 47

• 46

• 50

A box has a length of 14.3 cm, a width of 6.7 cm, and a height of 3.5 cm. What is the volume of the box when rounded to the nearest whole number?

• 336

• 300

• 400

• 250

A pizza has a diameter of 12.8 inches. If you round this to the nearest whole number, what is the diameter of the pizza?

• 12

• 13

• 14

• 15

A rectangular plot of land is 20.5 meters long and 15.2 meters wide. What is the area of the plot when rounded to the nearest whole number?

• 300

• 313

• 250

• 400