Add a ten thousands digit that is 2 times the ones digit to the number 2, 794. The number is:
What is 82,794?
300
one of these is a prime number:
15, 27, 31, 50
What is 31?
400
7+2+3=
What is 12?
400
Name a plane figure that has four sides of equal length.
What is a square?
400
There are 5 children in Brenda's family. Brenda is 16 years old. Brenda's twin sisters are 6 yeawrs old, and her brothers are 10 and 12 yeawrs old. The mean of the five children's ages are:
What is 10?
500
6+7+3=
What is 16?
500
Find the missing number: 318, 324, 330, ___, 342
What is 336?
500
A mathematical phrase that includes only numbers and operation symbols.