stem math quiz

How many squares are there?

• 18

• 20

• 22

• 24

Which number will replace the question mark?

• 05

• 10

• 15

• 20

Find the unknown angle < X

What is the value of star?

• 02

• 04

• 08

• 10

If 7 is transformed into 13 and 11 is changed to 21 then what does 16 become?

• 31

• 41

A boy is 2 years old, his brother is half as old as him. When the first boy is 100, how old will his brother be?

• 50

• 69

• 78

• 99

Which of the following numbers are prime numbers?

• 7, 11, 13

• 9, 10, 13

• 7, 9, 14

• 6, 7, 9

How many metres are in a kilometre?

• 100

• 1000

What will be the next number in this sequence: 2, 5, 9, 14,..

• 20

• 24

What is the Roman numeral for 500?

• M

• D