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K-2 Math Foundations
Explorer (Ages 8-12)
Addition and Subtraction Within 100
Adding and subtracting numbers up to 100 is the foundation of math. Learn the strategies — regrouping, place value, hundreds chart — that turn big problems into simple steps.
15 min
+15 XP
Measuring Length
How long is a shoe? A pencil? A whole classroom? Let's learn to measure with rulers and think like a math detective!
15 min
+15 XP