A maths teacher who was described as "inspirational" and "amazing" has died suddenly at the end of 31.
Friends, colleagues and pupils paid tribute to Beth Smith, from Halifax, after her sudden death.
The announcement of the "heartbreaking news" was made on the page of White Rose Maths, a company providing maths teaching resources, that she helped established.
On the company's website, she is listed as a primary specialist, Yorkshire Live reports.
In a post on White Rose Maths' Facebook page, they wrote: "With great sadness, we share the tragic news of the sudden passing of our friend and colleague Beth Smith.
"Beth has been with White Rose from the very beginning.
"Our schemes of learning, used by thousands, simply would not exist without her.
"Never failing to brighten up a room, many of you will have been touched by her training visits and infectious laugh.
"We'll miss the baking, the singing, the highly-competitive quizzes and the everlasting passion for mixed age!
"Our thoughts are with her husband Ian, her family and her huge network of friends.
"The team are devastated. Beth you will be hugely missed."
Nearly 200 comments have been left on the page since the post was made public on Thursday.
One of her former colleagues wrote: "Beth was an amazing person. I thoroughly enjoyed working with her last year. She will be missed. My thoughts are with her family at this time."
Lynz Marie wrote: "So so tragic to be taken so soon. It seems that Beth is a beautiful pebble leaving many ripples in the water. Her work has helped so many. A true inspiration."
Laura Lee, a teacher based in Bradford, wrote: "Beth was a truly amazing person with an infectious smile and passion for maths.
"She radiated positivity and shared her love of maths with many (myself included) & for that I will always be grateful. My thoughts are with your husband Ian, your family and friends, may you RIP."
Another teacher, Lal Morgan, wrote: "How very sad. She has left behind a wonderful legacy and lots of very grateful teachers. Love to her family."
Marie Rudd wrote: "This is heartbreaking news. I met Beth when my colleague and I attended some training she led.
"We were lucky enough that she then came and delivered the same training to our teachers in Durham. She was a really lovely person and fabulous at her job."
