Sign Language and Speech: How Using Signs Can Help Your Toddler Talk

If you've thought about teaching your toddler a few simple signs, you might wonder whether it will help or hurt their speech development. The good news is that research shows sign language can actually support and even boost early talking skills.

Why Parents Wonder About Sign Language

It's a question I hear all the time: "If I teach my child to sign, will they rely on it instead of learning to talk?" This worry makes sense. After all, if your toddler can point to their cup or use a sign for "more," why would they bother saying the words out loud?

But here's what actually happens. When you pair a sign with a spoken word, you're giving your child two ways to understand and remember that word. You're showing them the sign, saying the word clearly, and often pointing to or holding the actual object. That's three learning channels working together. Instead of slowing down speech, this multi-sensory approach typically helps children connect meaning to words more quickly.

According to the American Speech-Language-Hearing Association (ASHA), using sign language with hearing children does not delay speech development. In fact, it can reduce frustration during the phase when toddlers understand more than they can say.

How Sign Language Supports Speech Development

Think about what happens when your 2-year-old wants juice but can't quite say the word yet. They might whine, cry, or have a meltdown because they can't communicate their needs. This frustration is hard on everyone. When your child has a sign for "juice," they can tell you what they want. You respond by saying, "Oh, you want juice!" and hand them the cup. You've just had a successful conversation, and your child heard the word "juice" again in a meaningful context.

Here's what sign language does for speech development:

• Bridges the gap between understanding and speaking during the toddler years
• Reduces frustration and tantrums caused by communication breakdowns
• Encourages back-and-forth interaction, which is essential for language growth
• Draws attention to important words by making them visual and physical
• Builds confidence that communication works, motivating children to keep trying

Most children naturally drop the signs once they can say the words easily. The signs aren't replacing speech—they're a stepping stone toward it.

Which Signs to Start With

You don't need to learn hundreds of signs or become fluent in American Sign Language. Most families find that a handful of practical signs makes a big difference in daily life.

The best starter signs are words your child already cares about. For most 18-month-olds to 3-year-olds, that means:

• More: Tap your fingertips together. Use this at snack time, during play, or anytime your child wants something repeated.
• All done (finished): Wave both hands back and forth. Perfect for meals and activities.
• Eat/food: Tap your fingers to your lips. Useful multiple times every day.
• Drink/milk: Make a squeezing motion with your fist. Another daily essential.
• Help: Place one hand on top of the other and lift them together. This one prevents a lot of frustration.
• Please: Rub your hand in a circle on your chest. Teaches polite requests.

You can find videos of these signs online through ASHA's website or reliable baby sign language resources. The important thing isn't getting the sign perfectly correct—it's using it consistently while you say the word out loud.

Always Pair Signs With Spoken Words

Here's the key to using sign language effectively with toddlers: never sign without speaking. Every single time you make a sign, say the word clearly. When your child signs "more," you respond by saying, "More crackers? Here are more crackers!" You're modeling the spoken word over and over in a context that matters to your child.

This is very different from teaching a child sign language as their primary communication method. You're using signs as a support tool while you continue to emphasize spoken language. Watch your child's face and mouth when you speak. Exaggerate your lip movements a bit so they can see how the word is formed. Make it fun and interactive.

Around age 3 to 5, most children are talking in sentences and no longer need signs for everyday words. Some families continue using a few signs for specific situations, like "quiet" in the library or "wait" when crossing a street, because the visual cue adds an extra layer of understanding. That's perfectly fine and doesn't interfere with continued speech development.

When Sign Language Is Especially Helpful

While any toddler can benefit from a few simple signs, some children find them particularly useful. If your child is a late talker who understands language well but isn't saying many words yet, signs can ease frustration while their verbal skills catch up. Many parents report that once their child starts using signs, spoken words often follow soon after—sometimes within weeks.

Children with speech sound difficulties also benefit. If your 3-year-old or 4-year-old has trouble making certain sounds clearly, they might use a sign temporarily to help you understand them while they work on pronunciation. A child who says "wawa" for "water" might add the sign to make sure you know what they mean.

The American Academy of Pediatrics (AAP) notes that reducing communication frustration in the early years supports emotional development and family relationships. When children can make themselves understood, they feel more confident and connected.

If your child is working with a speech-language pathologist, ask whether incorporating some signs might be helpful as part of their overall plan. Many SLPs use signs strategically in therapy, especially with children who need extra support getting started with communication.

How Kid Speech AI Helps

Once your child is saying words—whether they started with signs or not—regular practice with sounds and vocabulary can support continued growth. Kid Speech AI offers fun, daily five-minute speech practice sessions that let your child play with pronunciation and build their word knowledge at home. It's designed to supplement the language-rich conversations and activities you're already doing with your child. If your child is working with a speech therapist, Kid Speech AI can provide extra practice between sessions, but it's not a replacement for professional evaluation or therapy.