Number Skills Challenge

Round 456 to the nearest 10.

• 450

• 460

• 465

• 455

Compare 345 and 543. Which number is greater?

• 435

• 543

• 354

• 453

Create the greatest 3-digit number using the digits 4, 7, and 2.

• 742

• 472

• 247

• 724

What is the successor of 89?

• 90

• 92

• 88

• 91

Is 27 a prime number?

• Yes

• No

• Sometimes

• Maybe

Find the composite number between 20 and 30.

• 29

• 20

• 21, 22, 24, 25, 26, 27, 28, 30

• 23

Are 8 and 15 co-prime numbers?

• Sometimes

• Maybe

• No

• Yes

Round 789 to the nearest 100.

• 750

• 700

• 800

• 850

Compare 567 and 675. Which number is smaller?

• 756

• 576

• 657

• 675

Create the smallest 4-digit number using the digits 1, 0, 2, and 5.

• 2015

• 5102

• 1205

• 1025