Addition
Learn and practice adding numbers and perfect your addition skills with interactive resources from GeoGebra.
Upper Elementary
GRADES 4-5
Estimating Decimal Sums and Differences
Estimate and compute sums and differences with decimals.
Estimating Sums and Differences
Apply appropriate type of estimation for sums and differences.
Multi-digit Addition with Regrouping
Add multi-digit numbers with regrouping in number and word problems.
Properties of Addition and Multiplication
Use the commutative and associative properties to add or multiply numerical expressions.
Middle School
GRADES 6-8
Adding and Subtracting Integers
Model or compute with integers using addition or subtraction in number and word problems.
Additive and Multiplicative Inverse
Identify additive inverses (opposites) and multiplicative inverses (reciprocals) and use them to solve number and word problems.
相關的主題
課程資源
Explore an extensive collection of over one million math and science activities, exercises and lessons meticulously crafted by our global GeoGebra community. Immerse yourself in the boundless possibilities that await you.

立即開始使用 GeoGebra
建立免費帳戶,可讓您隨時保存進度並存取數千個數學資源,自行訂做並與他人分享。