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按照以下步骤，即可立即开始与学生一起使用数学练习活动。

Fact Fluency Skill Fluency

针对基础数学运算进行专项练习，提升运算速度和自信心——非常适合日常热身或额外练习。“运算速算”完全免费。

心算数字

Counting 1-5

Comparing 1-10

Subitizing 1-6

Counting 1-10

Subitizing 1-10

Making 10

心算加减法（一）

加点

加法十帧

加法条

减十帧

减法路径

减法条

加减法心算 II

加法十帧

加法位值

加法条

Subtraction place values

Subtraction number lines

减法条

心乘法

最大 5×5 点

网格最大可达 10×10

素数因子圆

11 和 12 表

心灵分裂

缺失因素 I

缺失因素 II

缺失因素 III

分区数字栏

引数条

区域模型

Integer Addition and Subtraction by Heart

Addition on a Number Line

Subtraction on a Number Line

Addition with Integer Chips

Subtraction with Integer Chips

Mixed Addition and Subtraction

More Mixed Addition and Subtraction

Integer Multiplication and Division by Heart

Introduction to Multiplication

Multiplication and Division with Tape Diagrams

Multiplication with Prime Factor Circles

Division with Prime Factor Circles

Mixed Multiplication and Division

All Four Operations

Daily, personalized practice on math skills. Skill Fluency is available for Amplify Desmos Math, mCLASS Math, and Boost Math customers.

Grade 3

Rounding Numbers

Two Digit Multiplication

Grade 4

Fractions and Decimals

Two Digit Multiplication

Equivalent fractions

Improper Fractions

Grade 5

Fractions and Decimals

Fraction Multiplication

Rounding Decimals

Equivalent Fractions

Grade 6

Equivalent Ratios and Ratio Tables

One step equations

Grade 7

Proportions

Constant of Proportionality

One step equations

Grade 8

Identifying slope

Identifying intercepts

Simplifying Exponents

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