Units, tens, hundred, thousand
1.1. Knowledge to remember
Distinguish the units, tens, hundred, and thousand rows contained in a number.
1.2. Math forms
Form 1: Write numbers from the pictures of the given rows.
Form 2: Read 3-digit numbers round hundred
Read rows from left to right.
Form 3: The relationship between the units, tens, hundred, and thousand rows.
Remember: 1 thousand = 10 hundred
1 hundred = 10 dozen
1 dozen = 10 units
1.3. Solving Textbook Exercises
Read, write (according to the form):
– Each square is 100.
– Count the number of squares in each row and then fill in the blank with the round number and the appropriate reading.