CHAPTER 1 Quiz

Interchange any two digits in the number 1,478 to make a number that is larger than 5,500.

• 8,471

• 7,418

Interchange two digits of 10,593 to make a number between 11,000 and 15,000.

(a)  

Interchange two digits of 10,593 to make a number more than 35,000.

• 50,193

• 90,513

Interchange two digits of 48,247 to make a number as small as possible.

(a)  

Interchange two digits of 48,247 to make a number as big as possible.

(a)  

Round off 5789 to the nearest 10, 100, and 1000.

• 5790

• 5800

• 6000

Round off 8203 to the nearest 10, 100, and 1000.

• 8200

• 8200

• 8000

Round off 3176 to the nearest 10, 100, and 1000.

• 3180

• 3200

• 3000

Round off 4017 to the nearest 10, 100, and 1000.

• 4020

• 4000

• 4000

Vijay rounded off a number to the nearest hundred. Suma rounded off the same number to the nearest thousand. Both got the same result. Circle the numbers they might have used.

• 7126

• 7835

• 7030

• 6999