The world of numbers
about numbers
VS
2, 4, 6, 8…are even numbers, and 1, 3, 5, 7, 9…are odd numbers.
Question: 10 is an number and 45 is an number.
even
odd
2. 4.63 (four point six three ) is a decimal number.
Question: Which of the following is a decimal numbers?
A. 0.82 B. 5/8 C. 45%
3. ?, 5/8, 18/7 are fractions.
A. 分数 B.度数 c. 小数
Question: what does “fraction” mean?
4. 3 plus 5 is 8.
Question: what is 3 plus 3?
..