Cardinals

Topic Notes

In this lesson, we will learn:

  • Cardinal numbers are counting numbers (whole numbers)
  • How to count objects in a picture, letters in a word, and words in a list

Notes:

  • Cardinal means Counting
    • Cardinal numbers answer the question “how many”?
    • Cardinal numbers are whole numbers only (no fractions nor decimals)
    • Ex. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, …

  • There are 3 types of numbers: Cardinal, Ordinal, and Nominal
    • Cardinal means Counting (ex. there are 6 pool balls)
    • Ordinal means Order (ex. the purple pool ball is in 4th place)
    • Nominal means Name (ex. the green pool ball is labelled “14”)