13. REVIEWOF
CONCEPTS
• These are called DIGITS.
• They can be combined to
form different numbers.
• Combined numbers are
different in the sense that
they have different values.
15. Place Value: What is it?
Place value is the value of the
position of a number.
16. PLACE VALUE AND
VALUE
• PLACE VALUE tells the POSITION of a number.
*A group of 3 place values is called PERIOD.
* ,this is a period.
• Combined numbers are different in the sense that
they have different values.
17. Review: One Digit Numbers
0 2 4 6 8
1 3 5 7 9
• All digits in counting starting from 0 – 9 are one-digit
numbers.
• These one-digit number are called ones.
18. Review: Two Digit Numbers
• Two-digit numbers
have two numbers.
• Each number has a
different place
value.
• 10 – 99 all are two-
digit numbers and
called tens.
Examples:
12 86 57
32 99 40
29 41 73
10 64 85
19. Three Digit Numbers
• Three-digit numbers
have three numbers.
• 100 – 999 all are
two-digit numbers
and called
thousands.
Examples:
100 176 207
534 999 400
292 415 987
109 647 852