Solving problems with rational numbers in decimal form  Rational and Irrational Numbers
Solving problems with rational numbers in decimal form
In this lesson, we will learn how to work with rational numbers in decimal form. We will look at questions on adding, subtracting, multiplying, and dividing rational numbers.
Lessons

1.
Estimate and calculate

2.
Estimate and calculate.

3.
In a winter day, the temperature at 9:00 a. m. is 5.7 °C and 3.8 °C at 2:00 p.m. Find: