加加看 : 添加分数 (Adding Fractions)
把2个涉及至10的同分母分数相加得到他们的和数。
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Times Tables - level red
Math times tables
Subtracting Integers
Subtracting integers
Standard Form and Word Form Math
Match the word form to the standard form.
Spanish Numbers 100-Millions: Game Quiz
Match the digit numbers with their word forms.
Proportions
Determining if two ratios form a proportion
Place Value Terms
study terms associated with place value
Percents-Fractions-Decimals
Match the correct equivalency of each fraction, decimal, or percent.
Numeri amici (Friendly Numbers)
I numeri amici