Parents can help a teen learn math by providing support, encouraging effort and practice, and seeking out extra resources such as tutors or online tools.
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Parents play a crucial role in helping their teen learn math. One effective way of providing support to a teen struggling in math is by creating a positive learning environment. Here are some tips parents can use to support their teens in learning math:

Communicate with their math teacher: Parents should initiate conversations with their teen’s math teacher to understand better how their teen is performing in class. This will help parents identify specific areas where their teens need more support.

Encourage effort and practice: Math skills improve with effort and practice. Encouraging teens to devote time to math assignments and practice challenging problems will increase their confidence in their math abilities.

Provide extra resources: Supplemental learning resources such as math tutors and online tools can help reinforce concepts and fill gaps in learning.

Incorporate math into everyday life: Math is all around us, from grocery shopping and cooking to managing finances. Integrating math into a teen’s daily life can help them see the relevance of the subject and improve their math skills.
In the words of legendary basketball coach John Wooden, “It’s the little details that are vital. Little things make big things happen.” By implementing these little details in supporting their teen’s math learning, parents can help their teens succeed in the subject and beyond.
Interesting facts about math:

Math is considered the universal language, as it is used to communicate ideas and concepts across different cultures and countries.

The famous Pythagorean theorem, which states that the square of the hypotenuse of a rightangled triangle is equal to the sum of the squares of its other two sides, is named after the ancient Greek mathematician Pythagoras.

The number zero was invented by the ancient Indian mathematician Aryabhata in the 5th century CE.
Table:
Tips to help teens learn math 

1. Communicate with their math teacher 
2. Encourage effort and practice 
3. Provide extra resources 
4. Incorporate math into everyday life 
Response via video
The video “Two Strategies to Help Your Child Learn to Love Math” stresses the importance of fostering a love for math in young children and suggests two researchbacked strategies for parents to do so. Firstly, parents should avoid displaying their negative feelings towards math and instead find opportunities to introduce math concepts in everyday activities like counting during walks, using openended math questions, and teaching early geometry using shape blocks. Secondly, math is essential to school and life success, and parents should view math as equally important as reading, and flex their children’s math muscles through bonding experiences.
View the further responses I located
You can also:
 Involve them in the everyday math you do, such as budgeting and time planning.
 Better still, encourage independence and nurture life skills by assigning them responsibility for a few everyday tasks that involve math.
 Ensure they have access to the right equipment for math lessons.
There are lots of stressfree and fun ways to help with math at home. Here are just a few: Use sports, like football, to reinforce math concepts. Read books that build math skills in young kids. Play board games that help young kids build math skills. Cook and bake together.
5 ways parents can help children with the ‘new’ math
 1. Point out math in everyday life Math learning doesn’t happen just in classrooms.
How Parents can Help their Child Learn Maths
 1. Promote a positive attitude to maths
 2. Look at tables differently
 3. Ask your child to teach you maths
 4. Encourage your child to be independent in maths
Here are some ideas that may help. A parent’s idea of maths support at home might be additional homework, structured worksheets or flash cards. But there are a number of other activities parents can do with their children at home that might not feel like ‘maths’ but will really benefit their child’s learning.
You can help by asking your children questions, letting them work out answers for themselves, and then discussing their answers and strategies with them.
How about ABSOLUTELY FUCKING NOTHING. I don’t know how bad her math is or what makes you think she needs these classes, but my parents made me get private lessons for the SAT, and I’ve never hated my life half as much as I did during that period. Force her to do take those classes, and she will resent you, resent the tutor, resent math as a whole, and let the rest of her life fall to pieces in restless abandonment.
Contrary to what many adults seem to believe, they don’t know what’s best for their children, because most of them don’t know enough about their children to be making that decision. I hid so much from my parents because I know they didn’t care enough about me for them to know about it, but I thought they would at least consider leaving me alone. Instead, they tried to fix me (by their standards) and ended up breaking me.
TL;DR, make a choice, having your daughter take math classes, or having a daughter.
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 Bake something together. You can’t help but use math when you’re baking.
 Measure, count, and record.
 Build something together.
 Plan dinner or a party.
 Mix in math to your bedtime reading.
 Inspire your child. So many students just lack confidence.
 Tutor your child.
 Hire a tutor.
 Get the tools for your child to teach herself.
 Step away from the calculator.
 Encourage your child to use math every day.
Similar
 Practice With Your Child Every Night.
 Identify Problem Areas.
 Make Math Fun.
 Find Daily Applications.
 Be Positive.
 Get a Tutor.