Howie Hua
@howiehua.bsky.social
I teach math to future elementary school teachers at Fresno State. I make math memes and explainer videos. http://linktr.ee/howiehua
- and - mean different things, and if we understand that one is a verb and the other is an adjective, we can better understand integer subtraction
November 19, 2025 at 8:42 PM
- and - mean different things, and if we understand that one is a verb and the other is an adjective, we can better understand integer subtraction
Don't make this mistake when subtracting
November 18, 2025 at 7:06 PM
Don't make this mistake when subtracting
It's Mental Math Monday with guest Ramon from Spain. How would you mentally calculate 73-37?
November 17, 2025 at 4:10 PM
It's Mental Math Monday with guest Ramon from Spain. How would you mentally calculate 73-37?
What is in the ones place when we evaluate 67⁴¹?
November 16, 2025 at 6:33 PM
What is in the ones place when we evaluate 67⁴¹?
Why does counting digits after the decimal points work when multiplying decimals?
November 15, 2025 at 3:19 PM
Why does counting digits after the decimal points work when multiplying decimals?
Should you buy gas with cash or your credit card?
November 13, 2025 at 7:28 PM
Should you buy gas with cash or your credit card?
This is one of my favorite math tasks. Can you find 1,000 in this grid?
November 12, 2025 at 10:23 PM
This is one of my favorite math tasks. Can you find 1,000 in this grid?
Did you know there are more real numbers between 0 and 1 than there are natural numbers?
Let's take a look at the difference between countably infinite sets and uncountably infinite sets.
Let's take a look at the difference between countably infinite sets and uncountably infinite sets.
November 11, 2025 at 3:05 PM
Did you know there are more real numbers between 0 and 1 than there are natural numbers?
Let's take a look at the difference between countably infinite sets and uncountably infinite sets.
Let's take a look at the difference between countably infinite sets and uncountably infinite sets.
It's Mental Math Monday! Michael Minas from Australia wants to know how you would mentally calculate 8×27. Please share how you would do it in the comments.
November 10, 2025 at 3:13 PM
It's Mental Math Monday! Michael Minas from Australia wants to know how you would mentally calculate 8×27. Please share how you would do it in the comments.
Tonight's trick tosses
November 10, 2025 at 1:40 AM
Tonight's trick tosses
They said to say a math joke
November 9, 2025 at 5:41 PM
They said to say a math joke
Why can't we just say 0/0=1?
I showed one way why this would break math. What's another way?
I showed one way why this would break math. What's another way?
November 9, 2025 at 3:17 PM
Why can't we just say 0/0=1?
I showed one way why this would break math. What's another way?
I showed one way why this would break math. What's another way?
Why can't we divide by 0?
November 8, 2025 at 2:39 PM
Why can't we divide by 0?
How many different ways can you go to Waffle House?
November 6, 2025 at 2:23 PM
How many different ways can you go to Waffle House?
It is impossible to get a sum of exactly 1,000 on this Open Middle problem and here's why.
November 5, 2025 at 2:17 PM
It is impossible to get a sum of exactly 1,000 on this Open Middle problem and here's why.
Imagine that there's a rope around Earth's equator. How much more rope do we need so the rope can levitate 1 meter above the equator? The answer may surprise you!
November 5, 2025 at 12:16 AM
Imagine that there's a rope around Earth's equator. How much more rope do we need so the rope can levitate 1 meter above the equator? The answer may surprise you!
It's Mental Math Monday with math educator Cory from Minnesota. How would you mentally calculate 30% of 50?
November 3, 2025 at 2:50 PM
It's Mental Math Monday with math educator Cory from Minnesota. How would you mentally calculate 30% of 50?