Read and write decimals to thousandths
Reading a decimal by its place names is how your child comes to see what the digits after the decimal point really mean. Hearing 0.375 as "three hundred seventy-five thousandths" tells them it is part of one whole. That sense carries into rounding and decimal arithmetic later this year, and into percentages in 6th grade. You'll spot it on gas station signs, race times, and kitchen scales.
In this video, your child will learn to read and write decimals to thousandths.
The lesson stops at each question for your child's answer.
Three problems, each a little harder
Each problem is worked step by step. Your child will solve the last one before Bobby shows how.
Example 1
4 + 6/10 + 3/100 = ?
Example 2
2 + 5/10 + 7/1000 = ?
Your child's turn
How do we read 30.084?
The three key steps
- 1Put each part in its place.
- 2Empty place? Write 0.
- 3Point: and, read, last place
Mistakes to listen for
- Reading 4.26 as "four point twenty-six" and missing that the digits after the decimal point mean 26 hundredths.
- Leaving out a zero when writing from words, so "five and twelve thousandths" becomes 5.12 instead of 5.012.
- Treating every digit as tenths in expanded form, writing 0.642 as 0.6 + 0.4 + 0.2 instead of 0.6 + 0.04 + 0.002.
The lesson shows every step, so your child sees why it works. Read our parent's guide to reading and writing decimals to thousandths →
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Questions parents ask
Does my child need an account to watch?
No. You can watch this on any device at any time. If your child would like to practice reading and writing decimals to thousandths, and you'd like parent-friendly reports on your child's progress and growth, you can join Bobby's Math Club for unlimited free practice.
What happens when my child answers a question?
A right answer gets a cheer, and the lesson carries on. If your child isn't sure, they can tap "I don't know yet", and Bobby gives the answer and shows another example. Nothing is scored or stored.
Is this the same lesson that's on YouTube?
Yes. Here, the lesson stops at each question and waits for your child to answer. On YouTube, each question stays on screen for a few seconds, and then the lesson plays on.
Where can I learn more?
There's a short, kid-friendly lesson like this one for every Pre-K to 5th grade math skill, all in our video library. Our parent's guide to reading and writing decimals to thousandths has more on where kids get stuck and how you can help at home. In the club, your child practices at just the right level, about five minutes a day, and you get parent-friendly reports as they grow. Learn more about how it works →
Practice reading and writing decimals to thousandths
Questions at your child's level, about five minutes a day, on reading and writing decimals to thousandths and whatever PK-5 skills they need to develop. Unlimited practice, free forever.
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