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➕ First Adding

Put groups together and count them all - that's adding!

lesson

~5 min

to learn

🔢 Math

subject

Ages 3–5

level

Start the course →

What you’ll learn

The learner can understand that adding combines groups and can add small numbers by counting.Adding means putting groups together to make a bigger group. We use the plus sign to show adding, and we find the answer by counting everything together. Fingers are a helpful tool for adding small numbers.

Questions this course answers

What does adding do to numbers?

Adding puts groups together to make a bigger group, so the number gets larger.

What is one plus one?

One plus one means put one and one together, which makes two.

Grounded in trusted sources

Britannica Kids, "Addition" (kids.britannica.com)
PBS Kids, "Early Math" (pbskids.org)
National Geographic Kids, "Math for Little Learners"

Every Wunder lesson is built from real, reputable sources — never invented.

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Wunder is a personalized learn-anything platform — tell it any topic and it builds a beautiful, fact-checked course in minutes, with narration, a knowledge check, and a college-style University track.

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