Math Notes #4
The number zero means nothing.
Zero stands for an empty set.
The first counting number is 1. The first ten counting numbers are 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10.
In comparing sets, we use the expressions more than and fewer than or less than.
Math Notes #3
Number Words:
1 – one
2- two
3 – three
4 – four
5 – five
6 – six
7 – seven
8 – eight
9 – nine
10 – ten
- A set is a group of objects put together.
- The objects in a set are called elements.
- An empty set is a set with no objects or elements.
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- Equivalent sets are sets that have the same number of elements.
- Equivalent also means as many as.
- Non-equivalent sets are sets that have different numbers of elements.
