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.
探索
GR. 4-5
Estimating the Sum of Decimals up to Two Decimal Places
探索
GR. 4-5
Estimating the Difference of Decimals up to Two Decimal Places
探索
GR. 4-5
Comparing Decimal Estimates at Different Place Values
探索
GR. 4-5
Aligning Decimals for Sums and Differences
练习
GR. 4-5
Estimating Decimal Sums
练习
GR. 4-5
Estimating Decimal Differences
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.
相关主题
立即使用 GeoGebra, 开启你的数学探索之旅吧!
创建一个免费账户, 即可随时保存学习进度, 并畅享海量数学资源——你还可以对这些资源进行个性化定制并分享给他人