this is about whole numbers.

Question

DESCRIPTION OF QUESTION

a certain group of numbers belong in a group.

these numbers belong together in a group: 16, 9, 49, 64

these numbers do not belong in the group: 40,12, 77, 28

QUESTIONS

1. which of the following numbers belong in the group? 102, 36, 25, 50
2. what is the rule for numbers to be in the group?

Answer 1

The numbers in the group are perfect squares.

16 is 4 squared. 9 is 3 squared. 49 is 7 squared. 64 is 8 squared.

Which of the new numbers are perfect squares?

102 is not a perfect square.

36 is 6 squared. Yes

25 is 5 squared. yes.

50 is not a perfect square.

The rule is the number must be a perfect square.