An easier maths puzzle to solve

I've started a brand new challenge on a new discussion:
Friday's Maths Brain Teasers.

An ? for willa

Hoping you continue to be safe willa

Please do remember the CAPITAL! I'm a pedant at heart!

Triangle answer

Perhaps if we put the answer without the working out,?

Sorry - Marydoll, with a capital

The only way to play without giving it away to others is to pm the answers to you marydoll, but can you imagine your inbox? You would be absolutely snowed under!

Willa, keep on posting! I can PM you to tell you if you get it right.
Gosh, that sounds a bit patronising, not meant to be.
Stay safe,

I'm having to delve into my stash of puzzles from my teaching days. It's hard work!?

Ahh...that makes sense.....I live on the East coast of Pennsylvania, USA and about two hours from NYC, ( (epicenter of US Pandemic ). Pennsylvania is now seeing more cases too. DH and I are sheltered in place and safe at home. I look forward to your puzzles. Unfortunately, I'm not always on line and off sync time wise, but I'll figure it out.

There isn't any way. I just don't confirm the answer until later on, to give others a chance.
Just enjoy!

I just realized that I'm the one who may have given it away this time (If I solved correctly? but how else can we all play without being the 'spoilers'?

1,3,6,10,15,21,28

1 + 2 =3
3 + 3 =6
6 + 4 =10
10+ 5 =15
15 + 6 =21
21+ 7 =28

Hint: Look for a pattern, that's another problem solving strategy.

This is just a puzzle to keep people going, until I post one tomorrow.

Is that the mornings puzzle? I’m sort of flumped.

I think I might start a new thread every day, as it will be less confusing.
What do the virtual mathematicians think?

Triangular numbers can be thought of as the numbers of dots you need to make a triangle

Can you give the number of dots in the next two triangles in the sequence?

Callistemon

Oh, dear.???

I will ensure I make the questionS are clearer in future! ?

Oh! I thought that was a question and have been trying to find out of if parts of beef had names to do with socks!
Shin, shank etc!

? for all!

Oops.....(haven't had my coffee yet)
Each unit (of 30) divided by two = 60

70 is correct!

Butcher one was a wee, cheeky starter this morning early on..

All correct, apart from the last one

Is the butcher one a new one or did I miss it?

Willa, good afternoon. I respected your wishes and didn't publicly acknowledge the correct answers.

Where are posting from, if that's not too cheeky an answer?