Size and Place Comparing and Ordering of Numbers

We compare things by saying that they are bigger, smaller, or the same.

This symbol > means greater than more than bigger than larger than An is > a

Which would your rather have? 15 cents? 15 dollars? 1,500 dollars? 15,000 dollars? 150,000 dollars? Fifteen is > fifteen

This symbol < means less than fewer than smaller than A is < a

Which would you rather have? ¼ of a pizza? ½ of a pizza? ¾ of a pizza? 1 whole pizza? A slice of is < a whole

This symbol = means equal to same as =

Which would you rather have? 6 eggs? 1/2 dozen eggs? 2 X 3 eggs? = =

Numbers have an order or arrangement. They can come before other numbers. (1,000 1,001 1,002) They can come between other numbers. (1,000 1,001 1,002) They can come after other numbers. (1,000 1,001 1,002)

Ascending order gets larger in value. 4 lbs. 23 lbs. 42 lbs. 61 lbs. 80 lbs.

Descending order gets smaller in value. 13 lbs. 10 lbs. 7 lbs. 4 lbs. 1 lb.

Can you place these numbers in ascending order? descending order?

Now, lets see how well you listened.