Chapter 2 Number Theory

Round 637 to the nearest 10

• 640

• 650

• 660

• 630

Round 3,976 to the nearest hundreds place

• 8,000

• 3,900

• 4,000

• 3,970

1,985 - 657 =

• 1,456

• 1,329

• 1,340

• 1,328

62,114 + 49,586 =

• 111,699

• 111,700

• 111,500

• 111,702

92,318 + 23,027

• 115,339

• 115,340

• 114,345

• 115,345

prime number between 10 and 20

• 17

• 15

• 12

• 18

Prime number between 35-45

• 45

• 35

• 42

• 41

What are the factors of 10

• 1 2 5 11

• 1 2 5 10

• 1 2 6 15

• 1 5 10

The second multiple of 8

• 9

• 8

• 16

• 18

The fifth multiple of 5 is

• 20

• 25

• 30

• 35