Saxon Course 2: Lesson 31 (Slides)

Lesson 31

• Reading and Writing Decimal

  Numbers

​Parts of a whole can also be named by using decimal numbers. In

a decimal number we can see the numerator, but we cannot see the

denominator. The denominator of a decimal number is indicated by

place value.

​Writing Decimal Numbers

​Examples:

​Example 1: Write seven tenths as a fraction and as a decimal.
Solution: 7/10 and 0.7

​Example 3: Name the shaded part of this square as a fraction and decimal.

​Solution: 23/100 and 0.23

​Example 2: In the number 12.34579, which digit is in the thousandths place?
Solution: The 5 is in the thousandths place.

​Reading Decimals

​Example: Read this decimal number: 123.123
First we read the whole-number part. When we come to the decimal point,

we say “and.” Then we read the fraction part, ending with the name of the

last decimal place.

​Daily Challenge #31
Answer both A and B:
A. Use digits to write the decimal number: three hundred and seventy-five thousandths.
B. In the number 16.57349, which digit is in the thousandths place?