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。
Visualizing Whole Numbers up to Hundred Millions
This activity is intended for 5th graders.
Subtracting Mixed Numbers
Subtracting fractions and mixed numbers including regrouping
Skybridge Multiplication
2 digits multipication1. 请点击带有正确答案的气球。2. 限时每题各4秒内回答题目。
Real Numbers
Students are categorizing numbers into the Real Number system.
Ready, Aim, Answer
Simple Math Game
Pop the Balloon - Numbers
Pop the balloon that contains the correct answer
Place Value Terms
study terms associated with place value
Numeros Portugues
Numeros em portugues
Numeri amici (Friendly Numbers)
I numeri amici