How to Navigate the Number Line and Use It to Add and Subtract Positive and Negative Numbers
The number line makes positive and negative numbers visual. Learn how it works and how to use it to add and subtract, with examples for every level.
Growth mindset, a term coined by psychologist Carol Dweck, is the belief that ability is not fixed but can develop through effort, strategy, and guidance.
In math, that belief matters more than in almost any other subject because math is the place where children are most likely to decide, early and firmly, that they either have it or they don't.
A growth mindset in math means your child approaches a difficult problem as something to work through rather than evidence of a limit. It means mistakes are just information. And it means that "I can't do this yet" stays open as a possibility even when something feels hard.
Building that mindset takes consistent language, low-pressure encounters with math, and an environment where effort is noticed more than outcomes.
Consistency isn't always easy, and no one knows that better than parents. So today, we're sharing a few practical ideas to help fellow Maryland families turn everyday moments into opportunities to build a math growth mindset.
Everything we’ll discuss today — the resources, the programs, the community opportunities — works best when the home environment is already sending the right signals. Some of you might even be surprised to find that the most impactful habits here are less about what you do and more about what you say and how you respond.
These habits form the foundation of a growth mindset in math:
The way adults talk about math in front of kids shapes how they understand their own relationship to it. Research on growth mindset (including classic studies by Carol Dweck and colleagues) highlights a few specific language habits that make a lasting difference.
Praise effort, strategy, and revision rather than speed or being "smart." This might sound counterintuitive, but bear with us. When our praise puts emphasis on “smart,” it becomes a label our kids need to achieve and protect. This can make them risk-averse, because attempting and failing to tackle the next hard problem can challenge the label. Praising the process instead ("You tried three different approaches before it clicked. That's exactly how math works!") shifts the goal from looking smart to getting better, which is where real progress lives.
Avoid phrases like "I was never good at math either," which implicitly confirm that ability is fixed and inherited. Children absorb adult attitudes toward math more than most parents realize. Normalizing math struggle as a shared, permanent trait can quietly give them permission to stop trying.
Replace "You got it wrong" with "What else could you try?" The second tells them the attempt is just the beginning, which is exactly the message a growth mindset requires.
At home, making mistakes in math should feel normal, and trying again should feel like the obvious next step.
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As children encounter math in contexts that feel low-stakes and relevant, their math resilience grows.
You don’t need to turn every activity into a hidden lesson; simply notice when math already shows up naturally, like:
Cooking and baking (measuring, doubling a recipe, converting units)
Shopping (estimating totals, calculating change, comparing prices)
Travel planning (distances, time, budgeting)
Games and sports (scores, statistics, probability)
For families in and around the Patuxent River community, even everyday conversations about engineering, navigation, or flight patterns connect naturally to mathematical reasoning.
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Research in math education shows that productive struggle, working through a problem that is challenging but within reach, builds both skill and resilience. That sustained effort is where the growth happens.
The instinct to step in quickly when your young learner is frustrated is completely understandable, but it's often counterproductive. Try this instead:
Let them sit with a problem for a few minutes before offering help
Offer a hint, not an answer
Reflect the effort: "That's a hard one. What have you tried so far?"
This sends a powerful message: this is difficult, and you can handle difficult things.
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These resources are available to any family in Southern Maryland, and each one offers something a worksheet or tutoring session can't replicate: a chance to engage with math in a low-pressure, exploratory environment.
The Maryland STEM Festival takes place each November across multiple venues statewide, with hands-on activities, family events, and interactive programming designed to make STEM exploration feel approachable and fun.
For Southern Maryland families, local events are typically held in St. Mary's and surrounding counties. The festival's emphasis on exploration over performance makes it a natural fit for building the low-stakes problem-solving habits that underpin math resilience.
Free and low-cost events throughout the month
Family-friendly format with activities for a range of ages
Focused on curiosity and participation, not grades or performance
Check current year event locations and dates here.
St. Mary's County Library offers periodic STEM and maker-focused programming for children and families, often at no cost.
Library programs are particularly valuable for math-anxious students because the environment is inherently low-pressure, with no grades, no performance expectations, and no comparison to peers. For a child who has started to associate math with stress, a library program can be a helpful reset.
Check current offerings on their website.
These options require a bit more planning than a library visit, but the quality of the experience makes them a great addition to your calendar.
The Maryland Science Center offers broad, hands-on exhibits and family programming that make scientific and mathematical thinking feel exploratory rather than intimidating.
At approximately 90 minutes from California, MD, it is a practical day-trip destination rather than a regular option. The center's hands-on approach models exactly the kind of low-stakes, curiosity-driven math exploration that builds a growth mindset.
Find more information here.
For families who want something more consistent than occasional events, these programs offer structured engagement with math thinking. Each one is included here for a specific reason: what it offers in the context of building a math growth mindset.
Club SciKidz Maryland offers STEM camps, after-school programs, and field-trip style activities across the state, including in Southern Maryland. Programs center on hands-on exploration and collaboration, building the problem-solving habits that translate directly into math resilience.
The focus on broad STEM engagement makes it a useful complement to classroom learning. Verify current program availability and locations on their website.
Mathnasium of California, MD is a math-only learning center in the San Souci Plaza on Three Notch Road.
At our center, each student begins their journey to math mastery with a free diagnostic assessment, and sessions are built from there at a pace that makes progress feel achievable.
Students follow personalized learning plans and receive face-to-face math instruction in a supportive and engaging environment.
Our specially trained tutors help K-12 students in St. Mary's County catch up, keep up, and get ahead, building both the skills and the confidence that make a growth mindset sustainable.
📍 Get Directions to Mathnasium of California, MD
Each student needs a different approach. Here's a quick guide to help you find what fits your situation.
If your student is math-anxious or avoidant, start with the home language habits and low-pressure library or festival events. The goal is repeated positive experiences with math in no-stakes environments before moving to anything more structured.
If your child is engaged but needs more challenge, structured enrichment programs and museum experiences offer the kind of open-ended, curiosity-driven problems that keep motivated learners growing.
If your child needs both confidence and skill development, the home strategies and enrichment resources in this guide build the mindset side. Targeted instructional support addresses the skills side. Both play a vital role, and they work best together.

Mathnasium empowers students of all skill levels to unlock their math potential.
Mathnasium is a math-only learning center helping K-12 students build skills and lasting confidence.
At the heart of every program is the Mathnasium Method™, a proprietary teaching approach that builds on what each student already knows, introduces new concepts gradually, and ensures understanding comes before moving forward.
It is this approach that turns knowledge gaps into confidence and helps students develop a math growth mindset that lasts beyond the session.
With a network of more than 1,100 centers, Mathnasium brings top-rated instruction close to your home.
For families across St. Mary's County and Southern Maryland, Mathnasium of California, MD offers that same personalized support locally, with a dedicated team helping students of all skill levels catch up, keep up, and get ahead.
The results speak for themselves:
94% of parents report an improvement in their child's math skills and understanding
93% of parents report a more positive attitude toward math
90% of students saw an improvement in their school grades
📅 Schedule a Free Assessment at Mathnasium of California, MD
Not located near California, MD?
Mathnasium of California MD is a math-only learning center for K-12 students in California, MD. Trusted by over a million parents, Mathnasium uses personalized learning plans and the proprietary Mathnasium Method™ to help students catch up, keep up, and get ahead on their math journey.
Our specially trained tutors deliver face-to-face instruction in a supportive and fun small-group environment, working with students both in center and online to develop a deep understanding of math, build confidence, and improve academic performance.
Schedule Free Assessment