Students in class today asked about benchmark fractions such as 1/3 and how they would convert to decimals. As they noticed, the issue is that 1 cannot be equally divided by three, so we can use a recurring (or repeating) decimal as an approximation.
Tag Archives: decimals
Converting decimals to fractions
We are starting a new topic today: how to work with fractions and decimals in the same expression or equation. The core skill in this topic is being able to convert fractions to decimals and vice versa. Our lesson today focuses on converting decimals to fractions, up to the thousandth place.
Subtracting decimals
In class today we focused on using estimation while subtracting decimals. We also reviewed the steps to subtract decimals.
Using estimation when adding decimals
Our lesson today focuses on using the skill of estimation when adding decimals. We also looked at various ways to draw different representations of decimals.
Rounding decimals
Rounding decimals is an important skill in estimation and other parts of math. Today’s lesson reviewed how we round decimals using several techniques and reminders. Which one makes the most sense to you?
Ordering decimals
Our lesson focused on how to order decimals by size, using our skills in place value and decimal comparison.
Comparing decimals
Today’s lesson focused on how to order and compare decimals, using our skills in place value.
Representing decimals
Let’s look at four different ways of representing whole numbers and decimals: standard form, word form, expanded form, and expanded notation. How would these forms help use to understand the concepts?
Mr. J’s Math Class 