-One-to-one correspondence -Collective numerals and ordinal numbers -1-digit to 4- digit numbers (up 10,000 position) -Relative size of tens and hundreds -Counting in groups of numbers. Divide into equal parts
-One-to-one correspondence-Collective numerals and ordinal numbers-1-digit to 4- digit numbers (up 10,000 position)-Relative size of tens and hundreds-Counting in groups of numbers. Divide into equal parts