Math Challenge for Grade 3

Convert the Roman numeral IX to a number.

• 8

• 7

• 9

• 10

What is the Roman numeral for 50?

• C

• E

• L

• D

Write the number 123 in words.

• one hundred twenty-three

• one hundred thirty-three

• one hundred twenty-four

• one hundred twenty-two

Write the number one hundred twenty-five in figures.

• 1250

• 150

• 120

• 125

Find the LCM of 4 and 6.

• 10

• 8

• 12

• 14

Find the HCF of 12 and 16.

• 4

• 2

• 6

• 8

Convert the Roman numeral XXV to a number.

• 25

• 15

• 30

• 20

What is the Roman numeral for 100?

• M

• C

• L

• D

Write the number 45 in words.

• forty-five

• forty-five and a half

• fourty-five

• fourty five

Write the number seventy-eight in figures.

• 7.8

• 78

• 78.0

• 800